My sister couldn't possibly be that promiscuous.

page views:1 Publication date:2023-05-29

My sister couldn't possibly be that promiscuous.
My sister, Sherry, is practically a perfect girl.

Saying this now might make you think I'm some kind of siscon who saves up my allowance to buy Kasuga Sora figures, but for the sake of my reputation, I must state this upfront: I have absolutely no feelings for Sherry beyond that of family. That opening statement was simply stating a fact, an undeniable one.

First of all, she's exceptionally beautiful. I don't want to use clichéd descriptions like "beauty that could shame the moon and flowers," but let's put it this way: just last month, Sherry received confessions from 16 boys.

Of course, all of these brave souls perished—you ask why I know this so clearly? I'm sorry, this is a personal matter and I cannot disclose it—in short, having spent over a decade with Shirley, those actresses on television, whether innocent or sexy, are no different to me from the aunties selling radishes at the market.

If anyone thinks Shirley is just a pretty face, they're sorely mistaken; her academic performance is outstanding.

Since she entered school, she has been, in a sense, a nightmare for her classmates.

Her grades have consistently ranked at the top of the grade, an insurmountable wall for other students.

It's said that some even transferred schools out of despair, but whether this is true or not is now impossible to verify.

Most importantly, she was humble and easygoing, always wearing a warm smile that made people feel at ease. She was very polite to everyone and had no airs of a top student.

Although, generally speaking, girls who stand out from the crowd are easily envied by their peers and may be ostracized or bullied,

thanks to Shirley's gentle personality, she not only never experienced this, but was also the object of admiration for many girls.

At the time, I never dreamed that a certain accidental event would be like a magnitude 9 earthquake, causing the perfect image of Shirley in my mind to collapse.

"It's so hot~" On a Sunday in June, I weakly pushed open the door, almost dried out by the sun.

I had planned to visit a friend today, but on the bus I received a text from him saying he had to pick up his cousin from the airport who had just returned from abroad and wouldn't have time to entertain me.

That jerk! Is his cousin more important than his friend? Thanks to him, I had to get off halfway, take a bus on the opposite route back the way I came, and finally walk for about twenty minutes under the scorching sun to get home.

Speaking of things worse than this, there's probably only drinking cold water in detention, eating gutter oil in a restaurant, encountering city management officers while selling goods at a street stall, being hit by Li ○ming's car… Okay, there are quite a few.

It's only the beginning of June, but the heat is comparable to the dog days of summer. This must be a consequence of global warming. If humanity doesn't reduce carbon dioxide emissions, we'll face annihilation sooner or later—worried about the future of our planet, I changed into indoor shoes and pushed open the tightly closed living room door.

"I'm home—" As soon as I stepped into the living room, I felt a refreshing breeze.

I felt like a sapling receiving sweet dew, completely relaxed.

Air conditioning is truly humanity's best invention, bravo! What? You say air conditioning also has adverse effects on the environment, like drinking poison to quench thirst? I don't care about anything else. As long as I can escape this oppressive heat, I'll drink it without hesitation, whether it's poisoned wine or milk containing melamine.

"Brother, didn't you go to a friend's house?" Shirley seemed surprised by my sudden return. Usually calm and collected, she seemed flustered.

"My friend had something to do, so I came back early.

By the way, what were you doing alone in the living room?" "N-nothing.

It's too hot, so I came to the air-conditioned living room to read." "Doesn't your room have air conditioning?" By the way, my room doesn't have air conditioning, and in the height of summer, only an old fan blows out scorching air. It's quite a difference in treatment.

"My room's... it seems to be broken." Hmph, little sister, your older brother is a hundred years too early to try and fool you.

When I came in, I clearly saw you taking something out of the DVD player; the indicator light was still on.

Our parents aren't home today because they have to work overtime. Considering all this—"Were you watching a DVD just now?" "…………No," Shirley stammered, her face clearly showing panic.

Actually, I don't think it's a big deal. Shirley spends almost all her time studying; it's normal for her to relax a little on a rare Sunday.

It's just that seeing the usually flawless Shirley so flustered is quite novel, and I can't help but want to tease her a bit more.

Just to clarify, I'm not a sadist.

"Really? The DVD seems to still be powered on." "M-ma probably forgot to turn it off.

Anyway, I'm going back to my room to study.

Goodbye, brother." Shirley said this and quickly fled the living room.

Hmm—did I go a little too far? In the instant I turned around, I seemed to see tears in her eyes.

A slight sense of regret pricked my conscience like an embroidery needle.

Should I apologize? I thought to myself as I sat on the sofa enjoying the cool world created by the air conditioning.

"What's this?" Suddenly my left hand touched something hard and cool. I looked at it and found it was a pink plastic object. It looked like some kind of remote control, but I had never seen this type of remote control before.

The small panel had only one adjustable switch with numbers 1-3 marked next to it.

"If this is a remote control for home appliances... it seems too rudimentary.

I've never seen anything like this in my house before..." I muttered to myself, trying to turn the switch to position "1" to see if any appliances were activated.

"Ugh..." I heard a faint, panting sound behind me.

I turned around and saw that Shirley, who should have been in her room, was standing at the living room door.

Her face was flushed, her breathing was rapid, and her thighs were fidgeting and rubbing together, as if she was enduring something. She looked rather strange.

"Shirley, didn't you go back to your room? Your face is so red, are you sick?" Shirley didn't answer, her beautiful eyes fixed on something. I followed her gaze and finally realized.

"Ah, is this yours?" "Yes... no, it's not." For some reason, Shirley stammered.

She seemed to really want the remote control, but was unwilling to admit it.

"If it's not yours, I'll give it to Mom." "Ugh... this is..." Shirley lowered her head, her whole body trembling slightly. Finally, as if she had made up her mind, she rushed in front of me with surprising speed, snatched the remote control, and then quickly left the living room without looking back.

"What...what's going on..." I was left standing in the living room, ravaged by my sister's whirlwind, muttering to myself in a daze.

After this small, inexplicable incident, I kept feeling Sherry sneaking glances at me, and whenever our eyes met, she would quickly look away, pretending nothing had happened, making me restless all afternoon.

Around 11 p.m., I was lazily lying on my bed watching One Piece when a polite knock on the door suddenly pulled me back to reality from my fantasy world.

"Who is it?" I was a little surprised. My parents, who were used to going to bed early and waking up early, should have already fallen asleep; usually, no one would knock on my door at this time.

"Shirley, I have something I want to talk to my brother about." What a rare visitor! Since Shirley started high school, she hasn't come into my room alone.

Especially so late at night. Although a little surprised, I immediately got up to open the door.

Standing at the door was Shirley, wearing a light blue sleeveless shirt. Her long, slender legs beneath her short skirt were as white as fresh snow, dazzling to the eye.

Perhaps she had just showered, for her face was slightly flushed, and a faint fragrance wafted from her hair, tantalizing my nose.

I tried to suppress any inappropriate thoughts and greeted Shirley in a calm tone.

"Come in, sorry the room is a little messy." "Sorry for disturbing you," Shirley said, her head down, and entered my room somewhat timidly.

...My younger sister visited my room in the middle of the night, saying she had something to talk about. This felt strangely familiar.

I shook my head slightly, trying to shake off the eerie feeling, and cautiously asked,

"So late... what's wrong?" "Um... it's about... during the day..." Shirley lowered her head even further, stammering in an almost inaudible voice.

"During the day... that thing, could you please not tell Mom and Dad?" Ah, it was about watching the DVD in the living room, right? Caring about something so small, not wanting her parents to know—that's so typical of a model student like Shirley.

Of course I won't tell—I was about to answer that when I swallowed the words back down.

As we both grew older, we had fewer and fewer opportunities to talk, so I wanted to take this chance to say a few more words to her.

"What do you mean by what happened during the day?" So I pretended to be clueless, wanting to hear Shirley say it herself.

"It's that... in the living room..." "What about in the living room?" "...Does brother really want Shirley to say such an embarrassing thing herself?" "If you don't explain clearly, how am I supposed to know what it is?

Maybe one day I'll accidentally reveal something I shouldn't have to Mom and Dad." "It's just..." Shirley's face turned as red as if it were on fire, and her eyes were faintly glistening with tears.

"It's just..." Seeing Shirley's shameful reluctance to speak, a heavy sense of regret pierced my conscience like an ice spike.

I think I did something similar during the day; I really need to reflect on that.

Just as I was about to grant Sherry a pardon—

"It's about Sherry watching Muto ○'s porn while masturbating with a vibrator, and having three orgasms in a row—!" Sherry shouted in a self-destructive manner, the volume almost deafening. Then silence filled the room. One second, two seconds, three seconds— "What—?" A surprised voice echoed in the room, originating from my vocal cords, of course, even louder than Sherry's. But that's understandable, isn't it? The gentle and refined Sherry, the Sherry who seems like a noble lady, the Sherry who even seems to blush when holding hands with a boy, actually did...did that kind of thing when no one knew? This is even more unbelievable than the speed at which gasoline prices are rising.

"W-why are you so surprised? Didn't you already know? You even forced Shirley to say it yourself. You're such a sadist!" Shirley puffed out her cheeks slightly, staring at me with resentful eyes.

"No, I really didn't know at first." "You're lying. Didn't you know Shirley was tampering with the DVD player?" "I originally thought you were watching a regular DVD, like a Korean drama or something." "You also found the remote control for the vibrator and took the opportunity to play with Shirley using it." "I had no idea what that remote control was." Also, what does "play with" mean? Wait, I remember Shirley's expression was indeed a little strange when I turned it on.

Could it be that the vibrator was still inside Sherry back then...? Thinking about this almost made my nose bleed.

Good heavens, I actually have a sister like this.

"N-No way, that means..." Realizing the enormity of her mistake, Sherry suddenly collapsed weakly to the ground.

"Yes, I didn't know anything originally.

You told everyone yourself." Although I felt heartbroken for the dejected Sherry, it was the truth.

I never expected the usually composed Sherry to so dramatically reveal her own secret.

"I-Is that so?

Hmph, hmph hmph hmph..." Sherry suddenly let out a strange laugh.

Oh no, could it be that she's suffered a mental breakdown due to the intense shock? "Since you've already let your brother know, then there's only one way..." She lowered her head, her expression unreadable, but her icy voice sent chills down my spine.

"Only by killing my brother, and then Shirley will die too!" Before the words were even finished, Shirley had already jumped up from the ground, quickly grabbed the paper cutter on the table, and stabbed at me.

If I had reacted even a fraction slower, I might really be on the front page of the newspaper tomorrow as the brother stabbed to death by his own sister.

"What's with this line that sounds like a suicide pact?

Calm down." "Don't worry, it's just a moment, it won't hurt your brother." "I firmly refuse! Your eyes are terrifying, like some kind of cleaver-wielding woman." I fought desperately against death while trying to calm the emotionally agitated Shirley.

Ten minutes later, finally— "Here, a tissue." "...Th-thank you." Shirley, now calmer, sat in a chair and sobbed. Judging from the situation, it seemed like I was bullying Shirley.

Why am I in such an embarrassing situation? It's all that guy's fault for standing me up. Damn it, I'm never lending him my homework again.

"Anyway, I promise I'll keep it a secret from Mom and Dad, you can rest assured."

(Sobbing...) Shirley didn't answer. An awkward atmosphere filled the two of them, with only the ticking of the clock sounding particularly jarring.

"Please, please stop crying, okay?" (Sobbing...) This is so annoying. Since that's the case, I have to make a firm decision—"As long as you stop crying, I'll grant you any request." Shirley seemed to finally respond. She slightly stopped crying and confirmed in an almost inaudible voice.

"Really?" "A man's word is his bond." Whether it's H?agen-Dazs ice cream or La Chapelle clothing, just ask. As the older brother, I'm prepared for my wallet to shrink drastically.

But Sherry's request was far beyond my expectations.

"...Brother, make love with Sherry."

When faced with a major problem, people often subconsciously choose to avoid it, like...a younger sister actively asking to have sex with you—although this rarely happens in real life, I unfortunately fell victim to it.

What? You say this is a blessing from heaven? Anyone with that kind of thinking should turn themselves in as soon as possible; she's your own sister!

"Shirley, it's getting late, go back to your room and rest." I didn't know what to do, so I could only force a cheerful smile that an older brother should have when facing his younger sister and try to persuade her to leave, hoping to get away with it.

"Liar!

You just said you'd agree to anything!" Shirley glared at me with a pout, her eyes still brimming with tears.

"Do you know what you're saying? This kind of thing is really..." Faced with my sister's resentful gaze, I didn't know how to respond.

A strong sense of regret rose in my heart. If I could go back a minute, I would definitely use super glue to seal the mouth of that idiot who made such a promise, and then kick him to the Fukushima nuclear power plant.

"Who said 'a man's word is his bond'?" Shirley pressed on.

You were just crying your eyes out, how did you recover so quickly? Damn it, what am I supposed to do? Am I really going to penetrate my own sister's secret garden with my penis? Don't be ridiculous. Although it's not uncommon to see beastly older brothers taking advantage of their younger sisters in novels or games, you can't confuse that with the real world.

In reality, there are shackles called "law" and "ethics." If this were exposed, I might spend the rest of my life surrounded by bedbugs and rats in a prison cell. If I'm even less lucky, I might encounter something like "hide-and-seek. "

"I'm sorry, this is really difficult.

Can you ask for something else?" "Really not?" Shirley pressed again, her tone more forceful.

Strange. I was supposed to be comforting the depressed Shirley, but when did the initiative shift and turn into Shirley making unreasonable demands on me? The current situation is too bizarre, almost like Pleasant Goat asking Grey Wolf to eat him.

I'm a normal guy, and in this situation, it's easy to act like a beast... No, please pretend I didn't say anything.

"...I'm sorry." "Is that so? In that case, Sherry won't insist." I felt like I'd been granted a pardon, but my excitement was immediately shattered by Sherry's next words.

"Sherry, go tell Mom and Dad that there are tons of DONGGEKIHIE under your brother's mattress, and over a dozen Galagames in the computer's hidden folder." ...Sister, you've searched way too thoroughly! Did you learn a thing or two from Takanashi Oo? As far as I know, Sherry hasn't come into my room alone since starting high school. Could it be that this girl took advantage of me when I wasn't around... Anyway, if I show weakness now, I'm doomed.

"No, don't be prejudiced against Galagame. The H scenes aren't the point; the intricate and moving plot is the essence.

There are many touching works in Galagame, such as Clannad and Toohart, which are considered classics." "Shirley has no interest in knowing about this. Shirley isn't some tsundere with otaku interests.

Anyway, brother only has two choices: either agree to Shirley's request, or go and instill the merits of Galagame in our parents." "Is this a threat? Aren't you afraid I'll tell everyone what happened during the day?" "Brother is such a liar. You promised to keep it a secret from Mom and Dad." "…………" "And brother, which side do you think Mom and Dad will believe if it's the two of us?" Shirley looked confident, and her words really hit a nerve.

A flawless, top-performing younger sister versus a clumsy, good-for-nothing older brother who occasionally makes mistakes—which side do parents trust more? The answer is obvious.

--Wait, if that's the case, why did Shirley specifically…? A question clouded my mind like a thin mist, but before it could take shape, Shirley's relentless pursuit followed.

"Brother, have you made up your mind yet?" "Anyway, no means no! This is so strange. We're siblings.

And countless people like you, why me…?" "Brother… do you want Shirley to date other boys?" For some reason, Shirley's face darkened, and a hint of resentment seemed to appear in her eyes.

And I just blurted out those words unconsciously, then felt a dull ache in my heart.

Why this pain? "Does that mean I don't want Shirley to date other boys?" Shirley suddenly changed the subject, asking a strange—or rather, an obviously obvious—question.

So I honestly told her my true thoughts.

"Excellent grades, good character, you could say she's the ideal model student." "Then, what if such a model student started dating early?" "…………" I was speechless for a moment.

Indeed, early dating is almost a heinous crime in the eyes of many teachers and parents.

If Shirley were to have such a problem, the consequences would be unimaginable.

"But wouldn't doing that kind of thing with me cause even more problems?" "As long as no one knows, it's fine.

We're siblings, and no one will suspect anything if we're close.

No one would ever imagine that the perfect Shirley had a relationship with her useless brother." Someone actually used the word "perfect" to describe themselves? There's a limit to narcissism.

Although, judging from Shirley's usual behavior, this assessment isn't inappropriate, but forcing her own brother to have a relationship with her—what's with that?

Besides, saying her brother is useless is going too far; it hurts my delicate heart.

"It feels like Shirley is completely different from usual," Shirley said with a self-deprecating expression after hearing my heartfelt words.

"Teachers, classmates, parents—no one understands the real Shirley, no one has ever tried to understand the real Shirley. They just keep Shirley confined in the cage called 'model student,' and she'll be scolded if she crosses the line even slightly.

Shirley is just an ordinary girl who wants to go shopping on weekends and go to karaoke with her friends." I never expected that my sister, who was surrounded by such a halo, would have such deep troubles. I was speechless for a moment and could only listen silently.

"Over time, Shirley learned to wear a mask and act out the ideal 'model student' in their minds.

But when no one knew, Shirley often masturbated, just like she did during the day today.

Partly to relieve stress, and partly probably out of a desire for revenge against adults.

But recently, she has gradually felt that the lifeless dildo can no longer satisfy her. Like a thirsty person trying to quench their thirst with seawater, the more she drinks, the thirstier she becomes, and the thirstier she becomes, the more she wants to drink.

Shirley wants to try real sex, she wants someone to understand her unmasked self, including her somewhat lewd side, but she doesn't have the courage to mention it to anyone, and can only hide this dark side in her heart..." Shirley paused, as if sorting out her inner feelings.

"When my brother found out what happened during the day, I panicked at first, but then I thought, could this be a chance from heaven for Shirley?

To let my brother know the real Shirley.

If my brother still refuses no matter what, then Shirley will have no choice but to... hide it from the adults and go outside to find a stranger..." "No way—!" I blurted out unconsciously, my voice startling even myself.

"Then, brother, are you willing to accept everything about Shirley?" Looking into Shirley's pleading eyes, my heart trembled violently.

What 'law,' what 'ethics,' in the end, they were all just excuses I used to protect myself, afraid of taking responsibility for what I did, without ever considering Shirley's feelings.

I don't deserve to be an older brother if I can't help my troubled sister.

If this was truly Shirley's heartfelt wish, then my pity for my sister transcended worldly constraints, and I nodded slightly.

The next instant, Shirley kissed my lips, even gently stirring her tongue in my mouth.

Shirley's soft body, warm temperature, and intoxicating fragrance gradually numbed my mind, leaving it blank… When my consciousness returned to reality, I found myself lying on my back on the bed, with Shirley straddling me—completely naked except for the black stockings covering her thighs. Her

fair skin was more radiant than snow, her breasts round and full, adorned with adorable pink nipples.

Her waist was so slender it could be encircled by a single hand, drawing a perfect curve from her abdomen to her thighs.

Her buttocks, seemingly incredibly firm, possessed both the tautness of a young girl and the fullness of a mature woman.

Her long, slender thighs were dazzling.

Shirley's body was truly a masterpiece of creation.

More importantly, Shirley's most private parts were also presented to me without reservation, like dew-kissed, budding flowers.

The sight before me was too sensual; I felt as if a burning fire was churning within me, my breathing became rapid, my heart pounded violently, and my penis uncontrollably reached its peak erection.

"Brother actually reacted to his own sister's body..." Shirley's tone seemed to contain both teasing and smugness. She grasped my weapon with her snow-white, slender hand, her body heat clearly radiating through me.

"This is... you seduced me, isn't it..." A devilish smile appeared on Shirley's face as she lightly scratched the area near my coronal sulcus with her fingernail. The slight pain and the overwhelming pleasure made my body tremble involuntarily.

"Is it okay to say such insincere things? Your body's reaction is clearly so honest.

Brother should be more honest, shouldn't he?" Shirley knelt on the bed, slightly adjusting her position, aiming my engorged member at the entrance to her secret garden.

"Shirley will make sure her brother can't utter a word of resistance anymore..." She slowly lowered her waist, but just as the pink mucous membrane was about to touch the glans, she jerked her body up as if electrocuted, a hint of hesitation on her face.

"...Shirley, if you don't want to, don't force yourself." Influenced by her, my resolve also began to waver slightly. After all, siblings having relations... is terrible in every sense.

"Shirley is just teasing her brother a little, she won't back down so easily." My words seemed to have the opposite effect, arousing Shirley's competitive spirit.

She gritted her teeth slightly, once again aiming the glans at the entrance of her wet and soft honey hole. As her position lowered, the penis parted the pink petals, gradually invading the inner part of her paradise.

Her vaginal opening seemed to suckle, stimulating her most sensitive spot. The glans had barely entered halfway when a surge of pleasure coursed through her body like an electric current.

Shirley's skin flushed pink, her entire body glistening with sweat, appearing exceptionally sexy under the light.

She paused briefly, breathing heavily, then, as if finally making her final decision, used her full weight to plunge her body downwards—"Ah—..." The penis was completely swallowed by Shirley's vaginal opening.

Though she tried to suppress it, a low, mournful moan escaped her lips.

A trickle of dark red blood seeped from the point of contact, mixing with the nectar.

"Shirley, you...?" The scene before me shocked me. Shirley had mentioned using a vibrator to masturbate, so I naturally assumed she wasn't a virgin anymore. I never imagined I would take my sister's virginity.

"...The vibrator...was inserted from behind.

My virginity...was always preserved for you, brother," Shirley answered haltingly, her voice carrying a hint of pride despite the excruciating pain of losing her virginity.

"And you, brother?...Have you ever...slept with other women before?" To my shame, I'd never even held a girl's hand, let alone gone all the way to home base. I was practically the kind of person most qualified to say "go to hell with being a social butterfly."

If I could, I really didn't want to reveal such a pathetic thing to my own sister.

But Shirley stared intently at me, her gaze seemingly piercing my very soul.

"No...no.

It's my first time with Shirley..." Shirley seemed satisfied with my answer; her pained expression gradually lessened, and a smile appeared on her face.

"Then Shirley will take your virginity, brother.

In return, Shirley will let you...experience heavenly pleasure..." Even though it was her first time too, Shirley uttered these defiant words.

Shirley began to sway her hips slightly, her penis, wet with vaginal fluid and blood, bobbing between her petals, looking incredibly lewd. The squelching sounds echoed in the room, further fueling my desire.

"...Mmm...mmm...ah..." Shirley's moans gradually turned into pleasurable sounds, and her movements became increasingly vigorous.

Warm, moist flesh tightly clung to my penis, and waves of pleasure washed over me relentlessly, making me feel as if I were floating on clouds.

My mind was completely consumed by desire, and I subconsciously bent my knees slightly, using the momentum to thrust my hips upward—"Ah... Brother... So amazing... Your penis... It's all the way in..." This, combined with Shirley's downward thrust, caused my penis to penetrate even deeper, reaching her very core.

Shirley's eyes were glazed, completely engulfed by the surging pleasure, uttering indistinct, dreamlike sounds.

And I, driven by the most primal human instincts, fiercely violated my sister's honeyed orifice from below.

"Shirley... I can't take it anymore... mmm... brother... let's ascend to heaven together..." Shirley's body began to convulse, seemingly a prelude to orgasm. Almost simultaneously, the urge to ejaculate exploded in my mind. My remaining rationality told me I couldn't plant my seed inside my sister. But just as I was about to pull my penis out of Shirley's body, Shirley seemed to guess my intention, leaning down to hug me, pressing our bodies even tighter.

"Shoot it in... brother's semen... all of it into Shirley's uterus! Shirley wants to feel everything brother has to offer!" In that instant, the urge to ejaculate reached its limit. I could no longer hold back, and a large amount of semen gushed out, crashing against Shirley's vaginal walls, filling her vagina.

"Ah, it's coming out... It's so hot... Brother's semen... It's filling Shirley's body completely..." Shirley murmured contentedly, then collapsed weakly against me and fainted. Twenty minutes later, the room was still filled with the arousing, sweet and sour scent.

Shirley had recovered from her daze, dressed neatly, and returned to her usual obedient self.

Only her slightly flushed cheeks and disheveled hair told the story of the recent frenzy.

I, also dressed neatly, sat on the edge of the bed. After calming down, the question from before gradually took shape in my mind. Curiosity, like bamboo shoots in spring, sprouted uncontrollably, and I tentatively asked.

"Shirley...you didn't intentionally...reveal the secret, did you?" "How could that be? What are you talking about, brother?" Shirley tilted her head slightly, looking at me innocently like a newborn kitten.

--Oh no, my sister's cuteness level has reached an unfair level.

I tried to suppress my wildly beating heart and continued speaking as if nothing was wrong.

"When I walked into the living room during the day, the DVD player was still running, but the TV was off, and I hadn't heard any sound before, probably because you turned the volume down very low.

Under these circumstances, it's usually impossible to know the contents of the DVD.

Besides, Shirley is an excellent student; no one would suspect that you were watching porn." Hearing Shirley's shocking confession, I was momentarily flustered and didn't notice these details, but after calming down and considering it carefully, I realized the inconsistencies.

I put my questions into words, feeling like a perpetual elementary school detective.

Shirley, however, remained unmoved, a calm smile appearing on her face.

"What you said makes some sense, but how do you explain the remote control? Shirley's masturbation aid ended up in your hands, you know." "If I had deliberately toyed with you knowing what the remote control was for, why would I have cared if you were sick, and why would you have so easily taken it back? Remember what you said when we first came into the room? 'Your brother thinks Mom and Dad will believe us if we're together.'" "Which side?" "Shirley did say that, so what?" "That's exactly what reminded me.

Even if I did find some clues, the chances of my parents believing me without any evidence—that their precious daughter did something a good student shouldn't do—are probably lower than winning the lottery.

On the contrary, I might get a severe beating for defamation."

"Also, you should know that I don't have the habit of easily tattled." "Brother... you're smarter than Shirley expected." Shirley's lips curled up, revealing an enigmatic smile.

-- Hey, why does that smile feel a little creepy? It's like the last boss, who's been hiding in the shadows, is finally appearing.

"Now that things have come to this, Shirley isn't hiding anything anymore.

Deliberately revealing her secrets to lure brother into making promises to any condition, confessing her innermost feelings to gain brother's sympathy, even pretending to be unbearably ashamed and stabbing brother with a knife—it's all part of Shirley's plan." I felt a wave of dizziness. I never expected to be outmaneuvered by my own sister. The real Shirley is so cunning.

No, judging from her long-term acting skills as a pretender to be a good student, this is probably just a piece of cake.

"What exactly is your purpose in doing this?" "Does it even need to be said? To turn my brother into Shirley's slave—oh." "…………" I didn't know how to answer for a moment. Slave? This girl's taste is so heavy.

If I don't find a way to resist, I'll probably suffer oppression for the rest of my life.

"I'm not a masochist, how could I become someone else's slave?

And using a weapon is really going too far. What if I really get infected?" "It's okay, Shirley can play the piano too." Shirley's eyes wandered, probably feeling a little guilty about this.

"What does killing have to do with playing the piano? Where did you hear such a brain-dead theory?" "Just kidding, Shirley, how could you really hurt your brother?" "

Anyway, I will never admit to being a slave or anything like that." Although the situation was extremely unfavorable, I was still trying to put up a last stand.

"Are you saying that brother plans to abandon Sherry? After satisfying his lust, he'll just throw her aside like an old piece of clothing? Sherry is so pitiful... Waaah!" "This was all your scheme, wasn't it? Pretending to wipe away tears with a handkerchief didn't work. I won't be fooled anymore." "Is that so? It's

okay, Sherry has one last trick up her sleeve." Sherry decisively ended her crying offensive, her expression miraculously brightening, a confident smile returning.

Damn it, she was faking it all just now.

To be honest, even knowing she was faking it, I still felt a little sorry for her.

"Then Sherry will go tell our parents that she was raped by her brother.

Unlike that idiot brother, Sherry has solid evidence, because his semen is still perfectly preserved inside her." After saying that, Sherry made a move to walk towards the door. In a panic, I instinctively grabbed Sherry and pulled her back.

"Oh dear, brother is really rough.

But Sherry doesn't dislike brother like that." "Stop joking, what do you want?" "Sherry isn't joking. If you want to keep it a secret, brother has to agree to become Sherry's slave." I was at a loss, completely cornered.

If my parents found out about my relationship with Sherry, the consequences would be unimaginable—no, I didn't even want to think about what kind of punishment I would receive.

But if I yielded to Shirley, given her cunning nature, a long hell awaited me, where I would be constantly oppressed and unable to lift my head.

At that moment, I felt like I was struggling in a maze with no exit, seemingly unable to see any hope no matter what I chose.

Seeing my hesitation, Shirley spoke again, her attitude as arrogant as a judge about to try a prisoner.

"Seeing how distressed you are, kind-hearted Shirley has taken pity on you and will elevate you from slave to secret lover, how about that? Just so you know, there are countless boys who want to date Shirley." Hmm, this is probably what it feels like for a death row inmate to have their sentence commuted to a suspended death sentence.

But thinking about it carefully, making my own brother my lover still seems rather strange.

Thinking back to her performance during... sex, could it be that Shirley really... likes me? "Shirley, could it be that you really... like me?" For some reason, Shirley's cheeks suddenly turned red, and the composed smile she maintained even after my plot was exposed vanished abruptly.

"Don't, don't be so presumptuous.

How could Shirley possibly like someone like my brother? Have some self-awareness, okay?

What I said back then... was just due to the atmosphere... Besides, a useless guy like my brother, if he's not given a little encouragement, his penis will definitely go soft like a thawed cucumber, and Shirley will be bothered." I was almost knocked down by Shirley's merciless words, and my mood became a little depressed.

No matter what, there's no need to belittle my brother to this extent.

"If that's the case, why choose me as your lover?" "Are your ears just for decoration?

Didn't I just say that because you, my good-for-nothing brother, couldn't make up your mind, the gentle Sherry made a special exception and promoted you from slave to secret lover?

You can't even understand something this simple? Is your brain filled with 6-bit sweet bean sauce?

Or is it that you actually enjoy being tortured like Suna-Taro, and would rather be a slave than a lover? Which side do you choose?" I didn't expect Sherry to be not only cunning but also so sharp-tongued.

Where did that model student go? No, thinking about it carefully, she never existed in the first place. That was just an image Sherry played.

"Have you thought it over? Sherry's patience has its limits." "...(lover)" I finally made up my mind, choosing the lesser of two evils.

This was the only path I could take.

But the reply came in a soft, hesitant voice, like an introverted girl speaking in public for the first time.

"Shirley can't hear you.

Brother, you have to say it loudly, 'Shirley, please go out with me!'" What kind of shameless play is this? You wretched girl, remember this!

"Please...please go out with me..." "Your voice is still too soft.

You can't even confess to a girl, you're such a loser." Because this wasn't a heartfelt confession, it was completely forced upon me, I thought to myself.

Unfortunately, I was completely powerless to resist Shirley at the moment.

So I could only muster all my courage and, with the determination to jump off the Oriental Pearl Tower, shout out, "Shirley, please go out with me!"

How embarrassing! Why did my first confession—though not intentionally—have to be to my own sister? Does the god of love have a grudge against me? "Well, since you've put it that way, Shirley will reluctantly agree," Shirley said, seemingly finally satisfied, a radiant smile blooming on her face.

I could almost hear my daily life crumbling.

And so, the dangerous secret relationship between my sister and me began.

As summer vacation started, the mercury in the thermometer rose steadily, its momentum rivaling that of a certain great nation's CPI. The sun blazed overhead, generously showering the earth with light and heat.

Logically, this time of year is perfect for staying indoors, curled up on a cooling mat with the air conditioning on.

But here I am, standing at the amusement park entrance, playing a staring contest with my watch. With each tick of the hands, my anxiety grows.

Even under the shade of a tree, the heat still hits me, and I'm even seriously considering escaping to Antarctica to play with the penguins.

"Shirley, why isn't she here yet…" a complaint escapes my lips.

Yes, I'm waiting for someone.

More precisely, I'm waiting for my date.

Just looking at that sentence, many single men might cast envious, resentful, or even cursing glances at me.

But the reality isn't as rosy as everyone imagines, because there are two profound issues here—"Sorry to keep you waiting, brother," a familiar voice came from behind me. I turned around, intending to unleash my dissatisfaction on that unpunctual guy.

He made me wait for almost half an hour; complaining a bit is only natural, right? This right is constitutionally guaranteed… or so it should be.

"Why so slow…" My voice trailed off, and for a moment I even wondered if an angel had descended upon me.

Although she has many flaws in her personality, if you only look at her appearance, Shirley could definitely put even top idols to shame.

Wearing a white dress and light makeup, the summer-limited edition Shirley was 30% more charming than usual (personal observation).

She seemed to realize I was slightly lost in thought and asked in a teasing tone,

"Are you saying you're mesmerized by Shirley, brother?" Although I was unwilling to admit it, it was the truth. The problem was that once I admitted it, I would lose, and the initiative would be completely in her hands.

So I pretended to be nonchalant and vehemently denied it.

"How could that be?

Instead of saying such boring things, why don't you reflect on your lateness? You were almost half an hour late, you have no sense of time at all!" Shirley puffed out her cheeks slightly and retorted with a slightly dissatisfied tone.

"In this situation, replying 'It's okay, I just arrived too' is the proper etiquette for a guy. You're completely lacking in gentlemanly manners, brother." "Why do you make it sound like I'm the one in the wrong?

How dare you criticize others when you can't even do something as basic as being punctual?" Shirley bit her lip, but a mischievous smile quickly appeared on her face.

"Okay, Shirley was wrong. It's troublesome to prepare for going out.

And more importantly..." Shirley paused slightly, brought her cherry-colored lips close to my ear, and continued in a low voice.

"It's so inconvenient to move around with a vibrating egg in there..." When this devilish whisper vibrated my eardrums and transmitted nerve signals to my brain, I knew I had completely lost this mini-battle of words. Not only could I not hold Shirley accountable for being late, but I couldn't even maintain my composure.

All sorts of terrible thoughts flooded my mind, and my heart began to pound.

"Brother's blushing, are you imagining Shirley's pussy with a vibrating egg in it?" "H-How could that be...

It's just because it's too hot." Although I vehemently denied it, I knew that this excuse was like a "Do Not Run a Red Light" sign—completely useless.

"...Fine, let's just leave it at that, kind-hearted Sherry." Sherry finally gave up on further provoking my fragile composure on this topic, but this didn't mean she was absolving me; rather, it foreshadowed an even greater disaster, all because of the pink remote control she handed me.

"Then, as a reward, brother, please use this to properly train Sherry today, and let Sherry experience heavenly pleasure." -- You should all know what the 'two profound questions' I mentioned earlier refer to now.

First, the date is with my own sister; second, what we're going to be doing today is, I don't know whether to call it an outdoor vibrator play or an outdoor vibrator play date, in short, a very bizarre activity, far removed from the healthy dates I've come to know.

Thinking about it carefully, this is practically a crime... Ah—the reader over there, please don't call the police.

It's not my fault that things turned out this way; to be precise, I'm the real victim, completely forced into this situation.

Although I desperately want to bury this memory deep within my heart, like avoiding touching a cactus, I have no choice but to dig it up and expose it to clear up any misunderstandings.

So, let's begin the recollection—two days ago, in the afternoon, I was lounging on the living room sofa, napping like a hibernating brown bear, when the sudden doorbell yanked me back to reality.

"Express delivery—!" someone called from outside.

So I turned over—closed my eyes again, trying to drift off to sleep once more.

If I hadn't developed amnesia at such a young age, I probably wouldn't have received any packages recently, meaning the doorbell ringing was completely irrelevant to me.

Besides, Shirley was home; she'd likely sign for it. So, I decided to continue conserving my energy.

I'm sure many of you have similar thoughts, and it's definitely not because I'm too lazy to get up.

Sure enough, as I expected, Shirley soon ran out of her room.

But after signing for the package, she didn't go back to her room; judging from her footsteps, she was approaching the sofa where I was sleeping.

I slightly opened my sleepy eyes and noticed that Shirley was holding a small box, about 30 centimeters square.

Also, I don't know if it was just my imagination, but I felt a faint smile on her face, as if she was in a very good mood.

"Is this a package for you?" "Yeah, I bought it on Taobao." "What's inside?" I asked casually, but regretted it as soon as I finished speaking, because Shirley's face clearly showed a "I was waiting for you to say that" expression.

"Does brother want to know?" "...No, never mind." As the saying goes, curiosity killed the cat.

Especially since what happened in June, I've discovered Shirley's cunning nature hidden beneath her model student mask, and my instincts tell me that a deep and unfathomable trap awaits ahead.

"Brother must want to know, right?" "Sorry, I'm not interested." "Brother definitely wants to know, right?" Shirley persisted, shoving the packaging box in front of my eyes like a primary school student eager to show off after getting a perfect score (in fact, Shirley often filled her test papers with variants of the letter 'r').

"Okay, okay, what's in the box?" I finally gave in, succumbing to Shirley's persistence.

But soon—to be precise, ten seconds later—regret sprouted in my heart like bamboo shoots after a spring rain.

"This is it, a new type of 20-segment variable frequency wireless remote-controlled vibrator, with a remote control distance of up to ten meters..." Shirley opened the packaging box, proudly showing off her spoils, while launching into a long-winded introduction like a host on a fast-moving consumer goods platform.

I felt a headache coming on. Vibrators shouldn't be something underage girls talk about so enthusiastically.

Ever since I accidentally stumbled upon Sherry's secret not long ago, she's made no attempt to hide it from me.

She pretends to be a gentle and refined girl in front of others, but when we're alone, her wantonness is so extreme that even some women in the sex industry would

be envious. She's practically a textbook example of 'hypocrisy.' Speaking of which, she probably bought it with her parents' allowance. I wonder what they'd think if they knew their beloved daughter wasn't using that money for reference books or anything like that, but instead spending it on adult toys.

For the first time, I felt a little sympathy for parents who never reciprocate their love.

"...Is that so? That's really nice," I said dismissively, standing up to make my strategic retreat to my room.

Unfortunately, Sherry, quick as a flash, grabbed my clothes.

"Where are you planning to go, brother?" "To the Azerite Expedition." "Don't always stay cooped up in your room playing games. It's a rare summer vacation, you should go out and have some fun once in a while." "There's nowhere to go, and it's so hot." "How about going here?" Shirley pulled out a flashy, modern-style flyer from somewhere, with the words "Amusement Park Grand Opening" written in large, round characters in the most conspicuous place.

"Let's go on a date here the day after tomorrow, brother and Shirley, it's settled then..." Wait a minute, what do you mean 'settled then'? Are you some kind of spokesperson for a certain website?

You're completely ignoring my opinion. Why do I have to go on a date with my own sister?

"I'm sorry, this is really a bit..." "Huh, brother doesn't want to?" What's with that surprised look? What makes you so sure I'd agree?

"...No, generally speaking, siblings don't go on dates." "Isn't brother Shirley's boyfriend?" That hit a nerve. Last month, for some reason, my precious first confession was tricked by this girl, and ever since then, whenever we're alone, she's been calling herself my boyfriend.

Please refer to the previous chapter for the details... No, it's best if you don't know about things that make me so ashamed.

"Or is it that you've already gotten tired of Sherry and are planning to fall for someone else?" "No, that's not the problem... I'm worried... what if we get caught by someone we know?" "We can go our separate ways and meet at the amusement park entrance.

Besides, that would actually create a more romantic atmosphere." "But, but..." I still intended to put up a fight, and Sherry's lips curled into a sly smile.

"Oh, right, let me hear something nice." Sherry pulled out her patriotic voice recorder from her pocket, pressed a few buttons, and a certain voice came out.

"Sherry, please go out with me—!" This was the line I had forced to confess to Sherry, and that wretched girl had actually recorded it.

A wave of shame washed over me, and I almost had the urge to bang my head against the wall.

*Thud*—"Shirley, please go out with me—!"

*Thud*—"Shirley, please go out with me—!" "Brother's confession, no matter how many times I hear it, it's still so beautiful," Shirley said, her face slightly flushed, looking completely intoxicated.

Do you really like shameful lines that much? This guy is definitely a hopeless sadist.

"Please, please don't play it anymore!" This is practically rubbing salt into my emotional wounds. Is there no one who can stop her tyranny? "Share this audio with your friends, let everyone share it!" "Please have mercy! Aaaaaaah—!" I pleaded from the bottom of my heart, even if it meant kneeling.

If outsiders heard that, I'd definitely be branded a perverted siscon and forever erased from society.

"So, about the date..." "Okay, okay, I'll go." "Meet at the amusement park entrance at 9 AM the day after tomorrow." "Okay, okay." "If you're late or don't show up, you'll be executed!" "Are you some kind of captain?" "You'll also be giving Sherry a good beating with a vibrator." "Okay... wait, you made that request so casually, I almost agreed." "Isn't this what my brother dreams of?" "How could..." "So, what kind of image does your brother have in your heart?" "A sadistic brother who likes to play with his sister's anus with a vibrating dildo." "Haven't I said it many times? I really didn't know at the time." "A beastly brother who forcibly took his sister's virginity." "...That was your scheme, wasn't it?" Although in conclusion, it was indeed my first time invading the forbidden place that my sister had guarded for sixteen years, it can be said that it was all Shirley's conspiracy, and I was completely manipulated by her.

"Making excuses to avoid taking responsibility? That's not how a man should behave." "..." I was speechless for a moment. Usually, after something like this happens, the woman is always considered the victim. If they use the killer move of 'responsibility,' she has no choice but to obediently give up resisting.

"...It's not that I'm... unwilling to take responsibility, but that's a different matter." "If you're willing to take responsibility, at least show some sincerity. You can't even meet Shirley's insignificant request? And..." No one would call outdoor discipline a 'insignificant request,' and please stop fiddling with that recording pen. To me, it's more terrifying than a nuclear weapon button.

If I could, I'd throw it into Mauna Loa.

"Fine, fine, I'll do whatever you say, okay?" I shouted in despair. I felt that since realizing Shirley's true colors, my behavior had been constantly deviating from the norm, gradually being dragged into an unfathomable abyss of darkness by her, but now there was no turning back.

And so, under Sherry's pressure, my first date plan (with an outdoor vibrator play) became an unchangeable certainty.

-- End of flashback mode.

See, everyone understands now? This was all Sherry's doing. If we went to court, I'd be 100% confident of winning.

"Sigh..." My sigh blended into the cloudless summer sky.

"Brother doesn't seem too happy. Not happy about your date with Sherry?" That's only natural, isn't it? Aside from a die-hard siscon like Kyoko Kosaka, who would be happy about a date with their sister?

I've said it before, I have absolutely no feelings for Sherry beyond family. That statement is even more true and believable than a thousand lines of code.

But my intuition and accumulated experience told me that I absolutely couldn't honestly tell the truth in this situation, or the consequences would be dire.

"...No, it's not your fault. I'm just worried about the economic situation in our country." "...Although it doesn't seem very believable, it's a rare date, so don't think about anything that might spoil the mood.

A memorable first date, let's go!" "Um..." I could only weakly reply.

But at that moment, the radiant smile on Shirley's face made my heart race a little—really just a little.

The amusement park was packed with people on the weekend; it felt like any photo taken there could be a textbook example of 'a sea of people.'

Shirley clung tightly to my left arm like a koala, her well-developed, full breasts making direct contact with my skin, the soft touch stimulating my fragile rationality.

Please allow me to reiterate, this girl is my younger sister.

"Shirley…could you please move away a little?" "Huh? Why? Aren't all couples like this?" Indeed, a glance around revealed several young couples behaving intimately.

The problem was—I was certain they weren't siblings.

"It's hard to walk when you hug me like this..." But at this point, using the sibling reason to ask for a proper distance is pointless. Shirley would definitely reject it with a reason like, "My body has been thoroughly ravaged by my brother."

So I had to make up another excuse, although I didn't have much hope for this flimsy one.

"It's nothing, the important thing is that brother won't forget that..." Shirley used the four light words "something" to gloss over my reasonable request, then let her vocal cords rest, uttering two words to me solely through lip movements—(vibrator). I've never learned lip reading, but I could clearly understand Shirley's meaning.

Could it be that we've already become telepathic? No, no, I don't want this kind of telepathic connection.

"Is it really... absolutely necessary?" I subconsciously gripped the remote control in my pocket, feeling my palms already soaked with sweat.

"Of course, isn't this one of today's main activities?" Amusement parks should be more wholesome recreational places; normally, no one would come here to do such lewd activities.

I mentally refuted this while looking around at the tourists. How should I put it? The dense crowd naturally gave me the feeling that 'the Earth's population has really reached seventy years.'

"There are so many people here, what if we get caught?" I whispered my objection, and I could feel the tension in my voice.

But Sherry completely ignored my words, continuing to slightly part her cherry blossom-colored lips—(turns on the remote control) It's truly amazing to be connected on a deeper level; you can understand each other's hearts without words… No, this isn't the time to be sentimental.

"…Isn't this dangerous?" (turns on the remote control) Damn it, all you do is talk about the remote control (though you don't say anything), are you a broken, broken parrot?

In that case, I don't care what the outcome will be.

With a soft click, I resignedly turned on the remote control.

"Ugh…" The next instant, Sherry bit her lip, letting out a low, delicate moan, her slender body beginning to tremble slightly.

"Shirley, are you alright?" "...I...I'm fine," Shirley answered haltingly, her voice seemingly filled with pain, yet also tinged with pleasure.

...This girl, she actually likes to masturbate with a vibrator in public. How could I have such a perverted sister?

Her trembling body, flushed face, and glistening beads of sweat on her snow-white skin—this pitiful appearance strongly stimulated my male instincts.

I desperately suppressed my rapidly beating heart, casting my impure thoughts far away into the Pacific Ocean, and tried to speak in a calm tone.

"Can you walk by yourself?" Stopping in such a crowded place would likely alert others to Shirley's unusual behavior. Therefore, it was best to move quickly and find a less crowded spot.

"Hmm..." Shirley nodded slightly, then dragged her trembling legs forward step by step.

After moving several hundred meters like this, Shirley seemed to gradually get used to the stimulation of the vibrating egg, and her reaction wasn't as intense as at the beginning.

Fortunately, no one around us cast suspicious glances.

It seemed we could pass without any major incidents. Just as I secretly breathed a sigh of relief, I suddenly felt Shirley tugging at my clothes.

(Turn up the intensity) I began to curse that damned "telepathy."

Just how crazy are you planning to get?

But I knew very well that even if I tried to dissuade her, Shirley would be like a stubborn tyrant, refusing to listen to a word.

So, I could only offer sincere prayers to God, Buddha, Allah, and all the deities I knew, while simultaneously switching the sweat-soaked remote to the second setting.

Shirley's body trembled like an electric shock, pain and pleasure intertwining on her face.

With a groan, Shirley pressed her thighs tightly together, her body slowly sinking down.

This unusual behavior finally attracted attention; some people stopped and looked at Shirley and me with gazes that were hard to decipher—whether of concern or suspicion—and began to whisper among themselves.

Cold sweat streamed down my back. I quickly turned off the remote and bent down to ask in a low voice.

"Are you alright?" Shirley didn't answer, only breathing heavily, as if she had just run a ten-kilometer marathon.

I noticed a clear stream of fluid running down the inside of Shirley's thigh, and even the upper part of her stockings was slightly discolored from being soaked.

...Could it be that Shirley just had an orgasm?

My own sister actually had an orgasm in front of everyone! As her brother, I didn't know whether to be distressed, lament, or just kill myself.

But the most urgent thing was to find a way to escape this place quickly without anyone noticing.

"N-I'm so sorry, my sister...my friend seems to have an upset stomach.

It should be nothing serious, everyone don't need to worry," I forced a fake smile like a salesperson dealing with a difficult customer, fabricating a flimsy excuse while inwardly cursing my own poor acting skills.

Then I helped Shirley up, staging a triumphant escape under everyone's gaze.

The stares from behind felt like sharp blades piercing my back.

I helped Shirley to a tree-lined pavilion. Perhaps because it was just past 10 a.m., not yet rest time, the entire amusement park was bustling with people, but this place was surprisingly quiet, creating a world just for Shirley and me… No, I didn't have any ill intentions, it was just that it was better if no one bothered us in this situation.

I let Shirley sit on a bench to rest, and then went to the nearby convenience store to buy some Kangfu mineral water (iced) and handed it to her.

"…" Shirley silently took the clear plastic bottle, her eyebrows slightly furrowed.

"What's wrong? Are you feeling unwell?" "Don't you know that Shirley prefers Tongxing orange juice?" "Who knows!" I couldn't help but shout.

She's so picky about drinks; the word "gratitude" probably doesn't exist in her dictionary.

I'm exhausted, both physically and mentally, just trying to cover for you.

But... if she has the energy to worry about this, it means she's healthy, right? My heart, which had been pounding in my chest, finally calmed down a little.

"Understanding your girlfriend's preferences is a guy's duty, and I'm far from that level," Shirley said, wagging her index finger and lecturing me with irrelevant knowledge.

Does this guy, who's been causing me so much trouble, have the nerve to say something like that?

"But I still have to say thank you, thank you, brother," Shirley suddenly changed the subject, pressing the mineral water bottle against her still slightly flushed cheeks, and offering words of comfort with a dazzling smile.

Ugh—this is practically cheating! After she thanked me like that, I couldn't even utter a word of complaint.

So I looked away, trying to force a change of topic.

"Speaking of which, that was really dangerous. You almost got caught, didn't you?" "It's okay, Sherry already had a plan." "...Is that so? That's good." That's true. Even Sherry wouldn't do something like this in public without any preparation… "Just claim you were forced by your brother.

The poor little sister succumbs to male lust, being wantonly played with by her sadistic older brother (crying)." "That's completely black and white! What do you mean by 'poor little sister'? And please don't try to gain sympathy by faking tears." I could clearly feel the veins throbbing on my forehead. Just how cunning is this guy?

"Shirley has no choice. If others find out, the image I've built up will be ruined." "Since you know, don't do anything so dangerous." "Anyway, my brother is here. Is this what you call 'sacrificing the pawn to save the king'?" "Don't talk like you have Angola. Do you think I'm just a pawn to be used and discarded?" "How could that be? My brother holds a very important place in Shirley's heart, second only to Wi-Fi's electric dildo." "Am I not even as good as an adult toy?" "Then let's put it another way. I'm on par with a cucumber wrapped in full-service." "My status hasn't improved at all. On the contrary, it has subtly declined." As for what a cucumber wrapped in full-service is used for... for the sake of mental health, it's best not to think about it.

"Still not satisfied? Shirley clearly values brother so much." "You make it sound like you've made a huge concession. Where did you show any respect for me in your words just now?" "Shirley clearly loves brother so deeply." "...Huh?" I was stunned for a moment. I remembered that this was the first time Shirley had ever said the word 'love' to me.

And she said it so naturally that I didn't know how to respond.

The playful expression completely disappeared from Shirley's face, and she continued in an extremely serious tone.

"Brother is an oasis in Shirley's heart. Only in front of brother can Shirley not wear the mask of a good student and show her most authentic, slightly lecherous self."

"Shirley's body and soul belong to her brother alone, because to Shirley... he is irreplaceable, the most important person." I never expected Shirley to say such an embarrassing line face-to-face. I felt my face slightly flush, and my heart felt like it had been filled with lemon juice, both sweet and sour.

I even ignored the obvious point of ridicule, "Aren't you 'a little' lecherous?"

Just as I was considering how to respond… “Would you be happy if I said that?” “Damn it, is she playing tricks on me again?” The sweet atmosphere between us vanished like magic. Although I knew long ago that Shirley was like a wicked witch who enjoyed deceiving and toying with others, I still unknowingly fell into her trap. I don’t know if it was because I was too careless or because Shirley’s irresistible charm was at play.

“Brother… are you angry?” Shirley came closer to me. If you only looked at her appearance, she was indeed as perfect as an angel. Her captivatingly beautiful face made it hard for me to look directly at her.

"I'm not angry," I subconsciously turned my face away. In the process of getting to know Shirley, I had gradually figured out her personality. If she were truly angry over something so trivial, she would have already had a stroke.

"As an apology, I'll give you a gift, brother," Shirley said, reaching her right hand under her skirt and, with a sweet breath, pulling out something pink.

A vibrator, covered in a clear, honey-like fluid—which was to be expected, since it had been inside Shirley's vagina just moments before, likely still carrying her body heat. It looked a hundred times more erotic than any cold, plastic product in its packaging, and even the air seemed to be filled with the alluring scent of female hormones.

"...What...does this mean?" The sudden appearance of this age-limited item was too much for a high school student, and I could barely speak.

"Give it to your brother to keep.

If you can't sleep at night because you're thinking about Sherry, you can use it to masturbate." "...No way!" You actually use your sister's used vibrator as a nighttime treat? Just how perverted do you think your brother is?

"Isn't your brother the one who likes this kind of thing the most?" This is blatant slander. Can I file a complaint?

"So...what your brother wants is Sherry's body?" Sherry smiled seductively and sat on my lap.

"Stop! We're outdoors. What if someone sees us?" "That's not what my brother's penis says, you know." Shirley used her soft, boneless hands to unzip my pants and pull out my penis... The symbol of masculinity was already standing tall... It's a man's instinct, and I can't help it.

"Shirley's little hole... is already so wet... Brother, don't you really want it?" Shirley used her right hand to caress her clitoris, stretching it into a long, silvery thread, whispering seductively in my ear.

I was speechless for a moment. To say I didn't want it would be a complete lie.

Ever since I experienced that feeling of being on the verge of death, I've become like an addict addicted to some terrible drug, unable to extricate myself.

And once I crossed that final line, my psychological resistance became weaker and weaker.

"(Thinking...)" My voice was barely audible. Thinking back, Shirley always took the initiative in these kinds of situations. Generally speaking, it should be the opposite of a male-female relationship. I felt really ashamed.

"Very well, then kind Shirley will give brother a reward." I don't know when apology turned into a reward, but at this moment I had no energy left to complain about such trivial matters.

Shirley stood up slightly, pulled her panties aside to cover her private parts, and then, supporting my penis against the entrance to her vagina, slowly sat down—"Mmm..." Since Shirley had already experienced an orgasm, her vaginal canal, filled with lubrication, was fully lubricated, and there was no longer the hesitation of the first insertion. With Shirley's soft moans, her tender pink buds effortlessly swallowed the huge penis to the root, her vulva pressed tightly against my waist.

"In...in...brother's...penis...reaching the deepest point." Although the insertion was smooth, the tightness of her vagina was no less than when she had just lost her virginity. Rather, it's more accurate

to say that after experiencing the pleasures of sex, Shirley's naturally alluring nature caused her genitals to rapidly evolve into a juice-draining tool that drives male instincts wild. Even without penetration, the walls of flesh enveloping my glans continued to gently undulate, sending wave after wave of exquisite stimulation to my pleasure nerves. "Shirley's pussy...is it comfortable..." After fully inserting my penis, Shirley, her face flushed, asked in a captivatingly seductive voice. "Mmm...Shirley's pussy is the best...so comfortable and warm," I replied, my brain flooded with dopamine, abandoning my usual reserve and telling Shirley my most honest feelings in a dreamy voice. "Brother... your penis... fills Shirley's inside so full... it feels so good, I'm going to move now..." Shirley smiled contentedly, slightly raising her body before sitting down again to take my penis in, repeating this motion repeatedly as my member rubbed against her honeypot. "Shirley feels so hot inside..." The lewd sounds echoed in my ears, and with each small thrust, Shirley's skin, immersed in pleasure, gradually turned a pale cherry color, and beads of sweat appeared on her forehead. At the same time, her vagina secreted even more vaginal fluid, flowing down her labia and even soaking a large area of my pants. "Shirley...no, I can't take it anymore...I'm being violated by my brother...I'm going to come...fill Shirley's wanton womb with your semen..." "Shirley, I, I too..." "Eek, brother's penis...it's gotten bigger again." Shirley swayed her hips back and forth, a look of ecstasy on her face. She gripped my arm tightly, seemingly desperately trying to suppress the pleasure, even drawing three bloody marks on her skin. "Ugh, I can't take it anymore...Shirley, Shirley is going to die..." With a frantic scream, Shirley's body arched back sharply, trembling violently as if electrocuted, finally reaching her second orgasm. Almost simultaneously, my penis also erupted uncontrollably, white lava flooding Shirley's cervix. "Brother's semen...it's amazing...Shirley's uterus almost melted!" Shirley's body went limp, as if all her strength had left her, clinging tightly to me. Ten minutes later, I dragged my still-excited and exhausted body to clean up the battlefield, tidying up my disheveled clothes and wiping away any unwanted stains with tissues. "Brother was really wild just now," Shirley, now calm, teased as usual, and this time I couldn't refute her at all. Thinking about it carefully, I realized I had done something incredibly bold, engaging in that kind of behavior with Shirley in a gazebo where someone could come at any time, and making such a loud noise. If we had been discovered, there would have been no doubt that I would have been... A strong sense of lingering fear washed over me. "Why aren't you saying anything? Ah, are you still fantasizing about Sherry's body in your head?" Sherry continued to press. Always doing dangerous things like standing on her head on a cliff edge, and then laughing and joking afterward as if nothing happened—doesn't this lustful girl know what fear is? "...Let's go after we're done packing," I said, ignoring Sherry's question, and left the pavilion first. "Ah, wait a minute. Is brother in such a hurry to go somewhere else to make love to Sherry?"...This girl is hopeless. As evening approached, the sun, which had relentlessly scorched the earth, seemed to finally run out of fuel, transforming from a dazzling white into an orange hue resembling a half-cooked egg yolk, gradually sinking below the horizon. Could you please show up a little later tomorrow? Don't be at work before six o'clock every day. Nobody pays you. It's good to take a break once in a while. I dragged my heavy legs along with Shirley. It's a cliché metaphor, but my body really felt as heavy as if it were filled with lead.

After leaving the pavilion, Sherry led me to leave my footprints throughout the vast amusement park.

Thanks to this, my stamina has now dropped to the dangerous red zone.

To use an RPG analogy, encountering just one more low-level slime would guarantee a game over.

"...?" In contrast, Sherry beside me showed no signs of fatigue, her steps light as if unaffected by gravity, even humming a soft song.

Youth is truly wonderful... Wait, am I some kind of old man?

"Sherry, don't you feel tired at all?" "As long as there's my semen, Sherry is practically a perpetual motion machine..." Okay, I'm such an idiot for asking that question.

Besides, a perpetual motion machine is probably impossible, right?

I looked up at the setting sun and suggested to Shirley,

"It's getting late, we should probably head back." "Hey, Shirley hasn't had enough fun yet.

Oh... why don't we just get a hotel room? You'll keep your brother awake tonight." "Putting aside the possibility of suspicion, two high school students getting a hotel room together, our parents will definitely worry if we don't come home at night." To be honest, I wasn't entirely unmoved by Shirley's suggestion, but the risks were too high.

Shirley's expression suddenly darkened, like a child whose beloved toy had been taken away.

"Okay... I'll go back then." It was clear Shirley was very reluctant, but in front of everyone, Shirley, who presented herself as a good student, obviously couldn't do something as outrageous as staying out all night, especially disappearing with me—that would definitely cause a huge uproar.

"But before we go home, Shirley has one last request..." Shirley paused slightly, lightly touching her lips with her snow-white fingers. Her cherry-blossom lips seemed more delicate and beautiful than any flower.

"...Kiss Shirley." Huh? This unexpected request left me momentarily at a loss. Although we had already crossed the line, this act of expressing love was, in a sense, more embarrassing than indulging in primal instincts, especially on a busy street.

...Wait, Shirley probably doesn't like me. To her, I'm just an object of her amusement and a convenient tool for satisfying her sexual desires.

Although we'd talked about being lovers, it was just a facade. The word "slave," which Sherry initially used, was more fitting for my position; I was basically treated like a servant.

So why the sudden request for a kiss…? While my mind was in a daze, Sherry didn't speak, but simply closed her eyes gently, her long eyelashes seemingly trembling slightly.

The setting sun bathed her face in a golden glow, creating a sacred beauty.

…This was too cunning. She always had such a haughty air, but now she looked so pitiful, making it impossible for me to refuse.

My heart raced, my face flushed, and I reluctantly and quickly touched Sherry's lips to the ground.

Although it was only for a moment, Shirley's body temperature was clearly felt, spreading like a warm current throughout my body.

I nervously looked around. Fortunately, as it was getting late, the amusement park was no longer as noisy as during the day. However, I was still witnessed by two female tourists who looked like college students. Their whispering voices stimulated my sense of shame.

...Oh no, we're definitely being mistaken for a silly couple openly flirting.

I groaned inwardly, quickly turning my face away to hide my flushed cheeks, and tried to speak in a stiff voice,

"Are you satisfied now? Let's go home." And so, Shirley and I started our journey home, but only for the short distance from the amusement park to the station.

To avoid attracting attention, we agreed beforehand to travel separately on the way back. Shirley, with her ample allowance, could enjoy a smooth and comfortable taxi, while I, strapped for cash, had to squeeze onto a sardine-can-like bus.

Incidentally, I've repeatedly protested to my parents about the unfair distribution of allowances, demanding an improvement in this unequal distribution, but they always insist on using academic performance and daily behavior as the standard, rejecting my reasonable requests without explanation.

I watched my shadow, stretched longer by the setting sun like a lump of dough, as the events of the day swirled in my mind, leaving me in a state of turmoil.

Shirley's words at the pavilion this morning, "She clearly loves her brother so deeply"... she must have just been teasing me.

But how do I explain her earlier initiative to kiss me?

The reason Shirley made love to me was probably just because I was the closest man to her, and she would never reveal her secrets, making me a convenient outlet for her sexual desires.

And given Shirley's usual domineering attitude towards me, it's hard to imagine she has feelings for me.

Yet, the occasional glimpses of her shy side stir up ripples in my heart like a stone thrown into still water.

Shirley remains unwilling to reveal her true feelings; will this ambiguous and twisted relationship between us continue like this...? "Why do you look like a nude statue, lost in thought?" Shirley's voice suddenly interrupted my thoughts, so I answered casually.

"...I was just worried about the economic situation in our country." "Brother already used that excuse this morning." Oh no, thinking back, that's true.

How could my clever sister be fooled twice by the same excuse?

And to be precise, Shirley only stopped pursuing it this morning because of that excuse.

"Tell me honestly, what are you thinking, brother... Is it about the mistress?" Shirley moved closer to me, her pretty face full of curiosity, determined to get to the bottom of it.

I realized I couldn't keep up the pretense any longer, and deep down I also wanted to find an opportunity to ask.

"I was thinking..." I took a deep breath, making my final decision.

"...What exactly is our relationship now?" "Uh..." Shirley paused slightly, then asked in a questioning tone.

"What do you think, brother? Siblings?" "That's true, but it's not just that." "Beastly brother and flesh-slave sister?" "Can you be serious?" "Lovers?" "That's just your pretense. You've never liked me, have you?" "Is that so... Brother, that's what you really think... You're right." A complex expression appeared on Shirley's face, whether disappointment or relief, I couldn't tell.

She looked away and continued in an almost inaudible voice,

"That's right, we're just 'lovers in name only'... Maybe this is the best choice for us." After saying this ambiguous sentence, Shirley seemed to be hiding something and quickly turned around and walked away.

Only her jet-black hair remained fluttering in front of my eyes.

"Hey, wait a minute!" I hurriedly chased after her back, wanting to ask her what was going on.

Just then—"Yang, Shirley…?" A strange voice suddenly came from behind me. I subconsciously turned around and found a girl about the same age as Shirley staring at us with an incredulous expression.

...Could it be that we were seen by someone Shirley knew?

5 "Yang, Shirley…?" A strange voice suddenly came from behind me. I subconsciously turned around and found a girl about the same age as Shirley staring at us with an incredulous expression.

"Lin Ling, what a coincidence, I didn't expect to meet you here," Shirley replied calmly, showing no sign of panic.

At the same time, a warm, sunny smile appeared on her face, but knowing Shirley's true nature, I knew in my heart that this was just a "masked smile" when facing strangers.

"I'm going to that photography equipment store nearby... and this is..." The unfamiliar girl—whose name Shirley seemed to be Lin Ling—looked at me suspiciously, like a security guard in a luxury hotel facing an unidentified intruder.

Oh no, I've been suspected after all.

That's to be expected, isn't it? Young men and women going out together on weekends are generally assumed to be a couple.

Telling her we're siblings doesn't seem appropriate either; what kind of high school siblings stroll around so intimately?

"This is my brother," Shirley said without any regard for my feelings, revealing it to her without hesitation.

Hey, is it really okay to say that?

"Brother...then who are you...?" The girl's face clearly showed suspicion and confusion.

She's about to be exposed—I inwardly groaned.

"Well, we're going to stay at a relative's house tonight, and our parents want us to come along," Shirley lied without batting an eye. True to form, she's a model student who's two-faced; she lies without batting an eye.

"Oh, right, weren't you going to the photography equipment store? It's closing soon if you don't hurry," the girl seemed about to say something, but before she could speak, Shirley casually glanced at her watch and urged her on.

"Ah, um, I'll be going then...goodbye," the girl said reluctantly, turning and leaving hesitantly.

Before leaving, she seemed to glare at me with a sharp look. Why would a girl I didn't know give me such hostility?

Watching her retreating figure, I wiped the sweat from my forehead and secretly breathed a sigh of relief.

After the crisis passed, my conversation with Shirley resurfaced in my mind.

When Shirley said, "We're just lovers in name only," even if it was just my imagination, for a moment, she seemed to have a tearful expression on her face.

What did those words mean? What was she thinking? I was determined to find out.

"Shirley, about what happened earlier..." "Well, let Shirley think about it." Shirley placed her white, jade-like fingers on her chin and tilted her head slightly as if thinking.

It was obviously a very ordinary movement, but Xueli performed it as gracefully as a painting... No, I was definitely not fascinated by it.

Although Xueli seemed to be deliberately creating the atmosphere of "I'm thinking about it", which felt a bit artificial, but based on her serious look, she should have given me a satisfactory answer - "I suggest you try taking some Wei ○" - my expectations were completely shattered after only three seconds.

"What on earth are you talking about?" "Isn't it about my brother's occasional erection difficulties?" "No, when did I mention this?" And I'm still young, so I don't have any problems in that regard... No, although this is not something worth publicizing.

"By the way, you shouldn't take more than 100mg of ○, brother. Don't overdo it because you're all horny." "I never intended to take that kind of drug." "Also, Shirley prefers doggy style to riding." "I didn't ask you that." Don't say such provocative lines so casually in the street. It makes me involuntarily imagine—Shirley lying on the bed with her back to me, her white, jade-like buttocks… Now is not the time to think about that.

"What I wanted to say was just now…" "Ah, the taxi is here." Just then, a taxi drove towards us, and Shirley raised her voice to stop it, as if deliberately interrupting me.

After the taxi stopped beside Shirley, she quickly jumped into the car before I could react, waving goodbye to me through the window.

"I had a great time today, thank you, brother." The taxi quickly sped away, leaving me standing blankly on the roadside, enduring the exhaust fumes.

After nearly an hour of swaying on a crowded bus (a seat? Of course, there was no chance), I dragged my tired body to my front door. Shirley was already sitting at the table with my parents, enjoying a happy dinner.

Because I got home so late, my father gave me a little scolding, lecturing me on "why can't you be like Shirley and come home on time every day?"

It was so unfair! She was the one who instructed me to go out today, and this culprit was now nonchalantly picking the small bones out of a yellow croaker… Oh well, this unfair treatment isn't new; I'm used to it.

After that, I tried several more times to find out Shirley's true feelings, but each time I was cleverly evaded.

My life as a human vibrator continued; whenever I had the chance, Shirley would take advantage of me. If I weren't young, I probably would have become as withered as a human specimen wrapped in cloth from some ancient civilization.

Although my reason was completely swallowed by primal pleasure during sex with Shirley, the regret afterward still lingered in my heart, and at the same time, I couldn't erase my lust for Shirley's body.

Under this vicious cycle, my anxiety and unease grew day by day throughout the summer vacation.

===========================================================

I remember the main point of Einstein's theory of relativity was that relatively easy and carefree times always pass faster—or something like that, though I don't remember it very clearly.

Anyway, it feels like the nearly two-month-long summer vacation has flown by in an instant.

Although the matter of Shirley weighed on my mind, and the summer vacation wasn't exactly carefree, for students, simply 'not having to go to school' meant paradise.

Turning to the September calendar, I knew I had to say goodbye to air conditioning, cooling mats, and iced cola, and return to the oppressive classroom, pretending to listen attentively as the teachers forcefully brainwashed me. On

the first day of school, the alarm clock I'd been using for two months, as if trying to make up for the previous gap, tortured my auditory nerves with its deafening ringing, forcibly dragging me from my sweet dreams.

"...So noisy," I mumbled a complaint, rubbing my sleepy eyes, and sat up stiffly like a zombie.

The clock hands had just pointed to seven o'clock. Looking out the window, I saw that the sun hadn't fully risen above the horizon yet.

During summer vacation, when I could still sleep soundly, an overwhelming sense of loss welled up inside me.

Although I longed to let the triumphant alarm clock make its way out the window and once again make intimate contact with my soft pillow, my remaining rationality prevented this tempting thought.

I slowly changed my clothes, staggered out of my room like a drunkard, quickly washed up, grabbed a piece of bread, and headed to school.

Despite my brain's resistance, the instinct I'd developed over two years of going to school still led me to that place I least wanted to go.

Aside from the 'two' on the classroom door sign changing to 'three,' I had no real feeling of being a senior in high school.

The students were all familiar faces, and even the slightly balding, middle-aged male teacher, who always had a gloomy face as if someone owed him money, was thankfully (or perhaps not?) still serving as our homeroom teacher.

So this grumpy guy, employing his signature hypnotic tone, gave us a long, over-an-hour-long moral education session during the first class meeting of the new semester.

As for the specific content, I believe anyone with at least an elementary school education has heard similar lectures, so I

'll omit it here. In short, under the double attack of sleep deprivation and the tedious speech, I quickly slumped onto my desk and drifted into a hazy state.

After the homeroom teacher's precious speech came the big cleaning.

There were no classes scheduled for the first day of school. The only tasks were cleaning the classroom, which had been empty for two months—or more accurately, just making it look less dirty—before heading home to enjoy the last half-day of leisure.

However, as punishment for sleeping in class, I was assigned to take out the trash and do the final cleanup. So when I returned victorious, having delivered the incredibly heavy trash bag to its proper place, the classroom was completely empty, including my close friends.

"I should go home early too…" I thought to myself, lamenting my best friends' heartlessness, as I stuffed the broom, bucket, and other cleaning supplies into the rusty metal cabinet.

After finishing all this, I returned to my seat and took my bag from my desk.

"Huh? What's this?" A pink piece of paper fluttered to the ground from my backpack.

This shouldn't be mine, right? I picked it up with a puzzled look, only to find that the so-called piece of paper was actually a small envelope. The paper felt smooth to the touch and even had a faint fragrance; it was clearly a high-end item—could this be...?

I quickly hid the envelope in my desk, reflexively glancing around.

Although I knew there was probably no one else in the classroom, I still carefully searched every corner, including under the old, unused desk at the back. After confirming there was no sign of life, I breathed a slight sigh of relief and sat back down in my seat.

I carefully took out the letter as if it were a valuable artifact, my hands trembling slightly as I picked it up.

"I'll be waiting for you on the school rooftop after school, don't be late." The letter, printed with lilies, contained only this short sentence.

This...this must be the legendary one, right? A girl asks her crush out, confesses, and they embark on a rosy future together. I never imagined such a dramatic thing would happen to me.

But as for the person who wrote the letter, I have absolutely no clue. Not to brag, but I'm just an ordinary high school student, as inconspicuous as a cherry tomato among strawberries.

My looks, grades, and athletic ability are all mediocre.

Aside from my sister with her strange fetishes, no girl has ever shown me any affection—no, to be precise, Sherry doesn't like me either; to her, I'm just a servant.

If that's the case, could it be a prank by my mischievous friends?

They might have forged a letter to lure me to the rooftop, then used my embarrassing state as fodder for after-school gossip.

But those guys' handwriting is like that of overweight aunties dancing the samba—bloated and distorted—they couldn't possibly write such neat characters on letter paper.

So, this letter really was written by a girl? But what if I fall for it? I probably won't be able to stay in this school any longer.

Various thoughts swirled in my mind, and I was caught in a dilemma.

After hesitating for a long time, I finally decided to take the gamble.

After all, such an opportunity was rare. If those fearless guys were planning to play a prank on me, I swore I'd throw them into the Mariana Trench.

So, with a mix of nervousness and anticipation, I climbed the stairs of the teaching building, my heart pounding with each step.

Luckily, most people had already left the school, and I reached the top floor door without running into anyone I knew.

I gripped the doorknob, took a deep breath, and, with final determination, pushed the door open.

With a creak, the gray concrete bricks and the clear blue autumn sky unfolded before me.

Although I was somewhat mentally prepared, thankfully, no blackboard eraser or anything like that fell from the door, and no one was holding up a "Prank Successful" sign to greet me.

I looked around and noticed a petite girl standing with her back to me by the left railing.

I felt like I'd seen her back somewhere before, but she wasn't someone I knew; to be precise, I didn't know any girls my age.

"...Excuse me," I hesitantly began, taking a few steps closer to her.

Talking to girls I didn't know was my worst skill; I was genuinely envious of those playboys who could strike up conversations so easily—how did those guys have such thick skin?

Although my voice was barely audible, the girl seemed to hear me.

She turned around, her smooth, medium-length hair bathed in golden sunlight. Her small face was framed by a pair of large, bright eyes, giving her a cute and lively, kitten-like appearance. Her

slender legs beneath her short skirt were endearing.

While not as striking as Shirley, she was still a beautiful girl.

But what surprised me most was—"...You're from that day—" "That's right, we met during summer vacation, Yang Shirley's brother," the girl replied expressionlessly. Her skin wasn't very fair, but her healthy tan had a unique charm.

Hmm, speaking of which, hasn't she gotten darker since we first met...? Maybe she went to the beach afterwards.

I was momentarily at a loss for words. I had thought that the summer incident was a clean slate, that I could stamp it "resolved" and throw it into the trash can of my memory.

Could it be that she still suspected me and Shirley, and was planning to interrogate me about the truth in this deserted place?

Cold sweat trickled down my back.

But since I was already here, there was no way to escape.

"Did you write this letter?" "Yes, I specifically invited you here today because..." Here it comes. I mentally rehearsed how to respond to various questions, but what the girl said next completely surprised me.

"I hope you will date me." "What..." The unexpected confession left me stunned on the spot. My expression must have been as dumbfounded as an archaeologist who had just unearthed a dinosaur fossil.

Although he hadn't entirely ruled out the possibility of a romantic encounter when he received the letter, it was ultimately just a lukewarm expectation, especially since he hadn't seemed to have made a good impression on the girl during their first meeting.

So, this sudden turn of events was bound to be a huge surprise.

"I hope you'll go out with me," the girl repeated firmly, sounding serious. Of

course, being confessed to for the first time was exciting, but doubts lingered more than anything.

We'd only met twice, and he didn't even know her name.

Right, Shirley seemed to have mentioned her name before; I think her surname was Lin, but he couldn't remember her full name.

"This is so sudden! I don't even know your name." "I'm Lin Ling, and I'm in the same class as Shirley.

Is that alright? It's settled then, we're boyfriend and girlfriend starting today." "Wait a minute, that's not what I meant. We don't know each other at all, why would it suddenly..." "Is this what they call love at first sight?" Although it sounded a little exciting, why did she say such a thing with a blank expression and a questioning tone?

But now is not the time to dwell on such trivial matters.

"I mean, shouldn't we start as friends and gradually get to know each other..." "I've already gotten to know her very thoroughly." Lin Ling pulled a black notebook out of her pocket, flipped to a certain page, and began to read aloud: "Yang Yujie, 18 years old, born on October 10th, Libra, blood type AB, height 176 cm, weight 59 kg, favorite sport is soccer, most frequently visited website is cat○, usually starts washing from the left arm when taking a shower..." "Stop--" I subconsciously shouted to stop her. How did she get such detailed information, and with such astonishing accuracy... It seemed to reek of crime. It was better not to think about it too much.

Especially the last part about showering, I didn't even notice it myself. It seems I need to strengthen the security of my bathroom. I remember a few times during summer vacation I didn't check if the window was closed properly when showering; I definitely can't be careless again.

"Where did you get this information?" "It's classified." "It's so detailed..." "It's classified." "How exactly..." "It's classified." Okay, it seems she intends to keep it a secret.

With such powerful investigative abilities, if she were sent to the United States, she could probably find out everything about Obama's ancestors who chased antelopes on the African continent.

Lin Ling put the suspicious notebook back in her pocket. It was a rather large notebook, yet it was completely invisible hidden under her thin summer clothes. Could her pockets be connected to another dimension?

"Is that all? I know Yang Yujie very well." "...No, it's less about knowing and more about having your privacy exposed." "If you want to know anything about me, please don't hesitate to ask, from your measurements to the style of your bra.

Now, are you willing to date me?" Uh, you can even ask about bras? Are all high school girls these days so bold?

Although there's something strange about her, there's no denying that she's very cute.

A girl like this taking the initiative to ask me out—I might only have this one chance in my life. Normally, I should agree without hesitation.

But—"...I'm sorry." The words that came out of my mouth were rejections. Actually, I don't even know why I made this choice...no, or rather, although I know, I'm unwilling to admit it.

"So you already have a girlfriend?" "No," I answered immediately, swearing to God, this was absolutely true.

But why did that guy's image keep popping into my head?

"Really not...?" Lin Ling moved closer to me, her large, slightly upturned eyes fixed on me.

"N-really not," I stammered, looking away without any confidence.

Although it was just my subjective feeling, Lin Ling's words seemed more like a "leadership" than a "question."

I felt something was off, but I couldn't put it into words.

"Since that's the case..." Lin Ling continued to press on, and I didn't know how to answer for a moment.

Even though Shirley and I weren't really lovers, she still tugged at my heartstrings, making it impossible for me to accept Lin Ling's confession.

"I'm sorry, at least give me some time to think about it," I finally uttered this clichéd excuse, knowing it was just avoidance, but at this moment, saying it was my best effort.

(You really are...?) Lin Ling muttered something to herself, then lowered her head in silence.

Her bangs obscured her expression... Oh no, did I make her cry? Just as

I was feeling a bit lost, Lin Ling suddenly looked up.

She wasn't crying; to be precise, there wasn't even a trace of pain or resentment on her face.

I didn't know if it was because of her strong personality or something else.

"Then I'll wait for your reply. I'll never give up!" Her eyes gleamed with a competitive light as she stared intently at me, declaring loudly before quickly running towards the exit and disappearing behind the door.

What a strong girl—watching her petite figure disappear into the distance, I could even feel a chilling atmosphere, but in the next instant—"Thud—Ah!" A sound like a heavy object rolling down the stairs came from the stairwell, mixed with a girl's cute scream.

--Could it be...?

I rushed to the stairwell entrance and found Lin Ling, who had fallen on the lower steps, standing up while holding onto the railing, her clothes covered in dust.

"Are you... alright?" I asked with concern.

The sound of her fall was terrifying; it wouldn't be surprising if she had to be carried to the hospital.

Although her knees were red, she didn't seem to be seriously injured.

"...I will never give up!" Lin Ling looked up at me, seemingly to cover up her mistake, and declared loudly again.

But a closer look revealed tears welling in her previously competitive eyes, and her previously expressionless cheeks were now slightly flushed.

(Why are all the girls who approach me weird...?) Lin Ling fled the scene like the wind, completely oblivious to her spectacular tumble down the stairs.

I muttered to myself blankly; of course, no one would answer my question.

That night, in Shirley's room.

Shirley lay sprawled on her bed, completely naked.

No, to be precise, she was wearing black stockings, which made Shirley's thighs appear even longer and more slender, creating a striking contrast with her fair skin, even more provocative than if she were completely naked. Her

flawless back, like a piece of jade, gleamed with an ivory sheen under the soft lighting.

Even her most intimate parts were on full display; beneath her lovely pale peach-colored clitoris, her delicate labia, like flower petals, were already beginning to secrete nectar, drawing a glistening line along her inner thighs.

"Brother, hurry up and give your penis... to Shirley," Shirley urged in a sweet voice, slightly twisting her hips.

No one would ever imagine that the academically excellent and gentle-natured Shirley could have such a lewd side.

Ever since Shirley expressed her preference for doggy style on the way back from our last trip to the amusement park, we've occasionally used that position during sex... Initially, I was completely forced into it, making my sister assume such a lewd position, and the feeling of being violated from behind made me feel intensely guilty—although there's no fundamental difference between me and Shirley taking the active riding position, and from the moment we had a physical relationship as siblings, I've already failed as an older brother—I still can't completely let it go.

"We can't always let Shirley take the initiative, the older brother should show some manliness too" (Shirley said).

Although I personally don't think having sex with my sister in doggy style counts as manliness, now that the superior-subordinate relationship is completely established, I can't resist Shirley's words, so the current situation naturally arose.

"Hurry up, does brother like to play around? You're so mean!" Shirley's patience seemed to be reaching its limit. I looked at her flawless body, like a goddess, and involuntarily swallowed, pressing my throbbing, slightly aching penis against the entrance of her honeyed passage.

"...Is it really okay?" "What are you hesitating for, brother...fill Shirley's little hole with your big penis." I made up my mind and slowly thrust my hips into Shirley's honeyed hole.

The glans parted the petals and pushed in without any hesitation—no, rather than me inserting, it was more like Shirley's honeyed hole actively swallowing my penis.

Soon my penis was completely inside, and I could feel the glans pressing against a warm, soft mass of flesh.

"So amazing... Brother's penis... has reached the deepest point..." Sherry, who was being penetrated from behind, breathed heavily and made indistinct moans, a trace of saliva from the corner of her mouth dangling onto the sheet.

Sherry's honeyed cave tightly enveloped my most sensitive spot. The moment I penetrated, the urge to ejaculate surged like a raging tide. I paused, desperately trying to suppress the urge to ejaculate immediately.

"Sherry's nipples are already so hard..." Sherry grabbed my hand and pressed it against her breasts.

The soft yet elastic touch immediately came from my palm.

I subconsciously increased the pressure, kneading Sherry's breasts somewhat roughly.

"So comfortable... Sherry's breasts... Brother, harder..." Her panting voice aroused my male desire. I pulled out my penis until most of the glans was exposed at the entrance of her vagina, then thrust it in hard again, beginning a vigorous thrusting.

Each time the glans struck her cervix, Shirley's delicate body trembled involuntarily, her snow-white skin gradually turning a luscious cherry blossom color, and the beads of sweat on her body shimmered like pearls under the light.

"Eee... I'm going to come, in such a lewd position... being violated from behind by my brother... I'm going to climax..." After more than a hundred thrusts, Shirley's vagina suddenly began to contract violently, her body arching backward. At the same time, I reached my limit, ejaculating a large amount of cloudy semen into Shirley's honey hole.

The feeling of exhaustion after ejaculation made me involuntarily fall backward onto the bed, my head hitting something hard as the soft mattress supported my body.

"Ouch, ouch, ouch..." I rubbed my aching head, forcing myself to sit up. I discovered the weapon was a rather thick hardcover book; I must have hit the corner of it.

"What kind of book is this?" I picked it up curiously and examined it closely. The cover was blank, except for an elegant landscape painting. The paper was slightly yellowed but spotless. It felt more like a notebook than a book.

Could this be Shirley's diary? To respect her privacy, it's best not to open it... But deep down, I had a sliver of desire to see it.

"Ah, that's..." Shirley noticed the notebook in my hand and seemed a little flustered for a moment, reaching out to snatch it back, but then she seemed to change her mind.

"Brother's interested in Sherry's diary?" It really was Sherry's diary, but her tone was so casual, as if she didn't care at all. Just

as I was about to return the diary to its owner, Sherry said something unexpected.

"Sure, if you want to see it, brother." Uh…can I see it? Generally speaking, no one wants others to see their diary, after all, it's a matter of privacy.

Although I don't write in a diary, if someone sees my bookmarks on my computer, they'll definitely be angry.

It's probably similar to a diary.

"N-no, I'd better not." Although a little hesitant, I handed the diary back to Sherry.

The old saying goes, "Do not do to others what you would not have them do to you." As a polite gentleman, one should not casually rummage through other people's personal belongings.

"Brother, don't you want to see it?" For some reason, Sherry looked disappointed. This was so strange. I was clearly acting as a gentleman out of politeness.

"It's not very appropriate to casually read other people's diaries." "But... Sherry hopes that brother can understand himself better.

This diary records Sherry's preferences during sex, and Sherry also wants to try what SM feels like." "Don't say such risqué things while blushing and pretending to be innocent." "So, I hope brother can read this diary carefully and then properly respond to Sherry's request." "I'd appreciate it," I replied without hesitation, tossing the notebook back to Sherry.

I used to consider myself a relatively innocent high school student, but ever since I got involved with Sherry, I feel like I'm gradually going astray.

If I step into the world of hardcore content again, there's probably no going back.

So this notebook is like Pandora's box, and I absolutely mustn't open it.

"You really don't want to read it?" "For the sake of your mental health, please allow me to solemnly refuse." "Then brother has to agree to one condition." "...Tell me." I should be protecting Sherry's privacy, so why should I agree to her condition? The positions are completely reversed. -- Although I had this question in my mind, I knew that arguing with Sherry wouldn't do any good, so I decided to listen for now.

"Take Shirley's backside too," Shirley said, a barely perceptible glint in her eyes, as if she had been expecting it.

"Backside?" I didn't react for a moment, instinctively asking back.

"It's anal sex, in English it's anal sex, in Japanese it's アナルセックス.

It refers to sexual intercourse using the anus.

Brother, don't you even know that?"... She explained it in great detail. Although I wasn't surprised by Shirley's boldness at this point, my head still throbbed.

Although I had heard of it before, I had never seen it with my own eyes, let alone done it with my sister.

"Are you sure it's okay? It's not too difficult the first time..." "No problem, Shirley used a dildo to train before." Right, speaking of which, Shirley was still a virgin when we had sex for the first time because she used a dildo to masturbate anally.

"But..." "I cleaned it thoroughly beforehand, so there's nothing to worry about." "..." So I lost all my reasons for objecting.

This girl must have planned this all along, she must have.

"And---" Shirley covered her mouth with her hand and said teasingly.

"--Brother's got hard again, you want it too, don't you?" Hearing Shirley's words, I realized with embarrassment that my previously limp penis had somehow become proudly erect again.

Since Shirley hadn't put on any clothes afterward, her beautiful body was constantly in front of me, so it was inevitable that I would have a male instinctive reaction.

I didn't know whether to be happy that I was healthy or to lament that my instincts were too honest.

Shirley lay on the bed in the same position as before, her small anus completely exposed before my eyes, seemingly unable to accommodate my penis no matter how I looked at it.

"I'm going to go in, so tell me if it hurts." "Brother is so gentle.

But it's okay, brother, just use Shirley's anus to release your lust." "...I don't have any lust at all," I retorted reflexively. This girl never forgets to play dumb.

But thanks to her, my tension eased a little.

I made up my mind, pressed the tip of my penis against her anus, and slowly thrust it in.

The folds of her anus radiated outwards, gradually swallowing the head of my penis.

"Mmm..." Shirley let out a low moan, perhaps from the sudden penetration.

Her body trembled slightly, and her full breasts swayed.

"If it hurts, don't force yourself." "No, it's a little swollen... but it feels good... keep going... almost there." With Shirley's insistence, I continued. The moment the thickest part of my penis entered her anus, the sphincter's resistance suddenly weakened.

"Ahhh..." Most of my penis was buried in her anus in one go.

Every crease was stretched to its limit, and her anus expanded like a volcano.

Seeing that Shirley's anus seemed about to tear open at any moment, I reflexively tried to pull out my penis, but Shirley's buttocks followed.

"No... I want you to take my back too, brother." "But... but this is too much... it feels like it's about to tear." "It's okay... Shirley works out there a lot..." Seeing Shirley looking up at me with her moist eyes, I couldn't say anything more.

The pleasure from violating my sister's anus had also left me with almost no rationality.

"Then I'll just go in all at once, just bear with it." "Mmm..." Shirley started taking deep breaths to relax her sphincter muscles a little.

Matching Shirley's breathing, I thrust into her anus in one go.

My penis unexpectedly slid in smoothly to the hilt.

"Eee...it's in...brother's huge cock...is inserted into Shirley's anus..." (So tight...) I was secretly surprised. Although Shirley's vagina was also tight, the pressure from the rectal mucosa was incomparable, as if my cock was being gripped tightly.

"Finally...Shirley's back is also given to brother..." Shirley turned to look at me, her face flushed, showing an expression mixed with pain and pleasure.

"Do it the way brother likes...move, punish Shirley's lewd body properly..." Shirley's sweet plea diminished my rationality like an anesthetic.

I tried to begin with small, gentle thrusts. The layers of intestinal flesh clung tightly to my glans as if unwilling to let go of my penis, and each insertion felt like prying open a tight crevice, giving my sensitive areas an exquisite stimulation. A surge of

intense pleasure, completely different from intercourse, rushed from our point of contact to my brain, feeling as if my nerves were about to be burned out. I involuntarily increased the speed of my thrusts, and my desire to ejaculate gradually rose.

"Shirley's inside is so tight... I'm about to cum." "Cum... brother's semen... all for Shirley... Shirley, with your wanton anus... climax together with brother." With Shirley's intermittent moans, I ejaculated my second load of semen into her rectum.

=======================================================

I hastily threw on some clothes and collapsed weakly onto the bed in a spread-eagle position.

Shirley suddenly pressed her body against mine, her scent a mixture of slightly sour sweat and body fragrance wafting into my nostrils.

Worse still, Shirley was completely naked—no, I should say naked in stockings.

A certain part of me involuntarily reacted again.

"At least you should wear some clothes," I said, looking away from Shirley, my face burning.

"Your brother has seen every inch of Shirley's body, what are you pretending for now?" "..." I couldn't answer for a moment. Although what Shirley said was true... it was during sex, and afterwards she was still in front of me like a newborn (not counting stockings), which was too stimulating for me. "

But since your brother has spoken..." Shirley picked up a towel from the bedside and wrapped it around herself. Although most of her skin was covered, her full breasts made her chest stand out, and her long, white thighs were exposed between the towel and stockings, which in some ways was more suggestive than being completely naked.

"Is this satisfactory, brother?" Shirley smiled seductively. This girl definitely knew men's preferences and was deliberately teasing me.

But since she had covered her body, I couldn't say anything more.

"Then let's talk about something serious. Brother, you should keep it from Shirley, right?" My heart suddenly skipped a beat, and the events that happened on the school rooftop during the day flashed through my mind.

"Brother was thinking 'something bad' just now, wasn't he? Confessing would be a lighter punishment." "Although I don't think I've done anything wrong, let me hear what kind of punishment you're suggesting." "How about making brother eat a pound of ghost peppers? It's because Shirley is soft-hearted." "Is that what you call soft-hearted? That's inhumane! And this is clearly a miscarriage of justice!" "Brother, you clearly smell another girl on you. Shirley smelled it immediately.

Brother must have been cheating on you." "Are you a police dog?" "If a girl gets within a meter of brother, Shirley can smell it.

That's one of my 72 special skills." *Retracts previous statement* This guy is even better than a police dog. By the way, what are my '72 special skills'?

"The evidence is irrefutable, brother, you'd better admit it sooner rather than later." Shirley stared intently at me, questioning me with an unyielding tone, as if she might bring out a pork chop rice bowl at any moment.

"It's not what you think, it's just..." "Just what?" Shirley urged me to continue.

"...A girl during the day...said she hoped I would date her." "Really..." A strange smile appeared on Shirley's face, but there was no smile in her eyes at all; instead, it was as if two raging flames were quietly burning inside...how terrifying.

"That's great, brother, you've become popular with girls." "Ouch, ouch, ouch...don't pinch my arm so hard while you're laughing!" "This is the pain of love." "No, I think it's just pure torture." Shirley released her hand from my arm.

"Ah, you've even pinched her until she's purple! Do

n't you know how to hold back at all?" "Who is that girl?" "Just to be on the safe side, let me ask you this first. What do you plan to do if you find out?" "I won't do anything..." Shirley said without hesitation, with a saintly smile. "I

'll just wipe her off the face of the earth with a machete." "That's terrifying! Are you Ryugu ○ Nai?" "Don't worry, 49.13% is a joke." "How did you arrive at such a precise percentage? And you say a large portion of it is serious?" "Don't worry about the small details. The important thing is, who is that girl?" "I think this is a matter of life and death." "Who—is—she—?" Shirley pressed on, her voice gradually approaching freezing point.

If she doesn't confess soon, I'll be the one in danger first.

And Shirley wouldn't really kill anyone... right?

That's the only belief I can have now.

"It's the girl I saw at the amusement park." "Huh? That's impossible, because Lin Ling, she should..." Shirley looked surprised, as if she wanted to say something, but for some reason, she suddenly changed her mind halfway through.

"...Shirley means that you two just met once, how could you suddenly propose to date her?

Is it really Lin Ling? Did your brother use some underhanded means to force her?" "How could I be that kind of person? Besides, it's impossible to mistake someone at such close range." "At such close range?" Shirley keenly seized on my unintentional slip of the tongue, her eyes flashing with a predatory glint.

"N-no... we just talked face-to-face for a while, and, nothing inappropriate happened." I didn't dare to look Shirley in the eye and answered somewhat flusteredly. "

Why are you so nervous when you haven't done anything wrong?

" Shirley finally touched on the most crucial question, her tone carrying unparalleled pressure.

If I answered "yes," I'd probably be nicebottled on the spot.

"No... I just told her to give me some time to think about it." "Why didn't you just refuse on the spot? That kind of vague answer is the worst. You already have Shirley as your lover..." Shirley had been blaming me incessantly, but her voice stopped abruptly at this point. If it were the old her, she would have said something like, "You already have Shirley as your lover."

But ever since I seriously questioned her about their relationship on the way back from the amusement park, Shirley has been avoiding the question. Yet, in my haste, I stepped on a landmine.

I can't quite explain my feelings for Shirley; her place in my heart is growing stronger every day.

But whether it's love, I can't be sure.

If we truly loved each other, perhaps we could disregard so-called morality and ethics.

However, the reality seems to be different. There is no bond called 'love' between us; we are merely illicit siblings who have violated taboos, simply indulging in promiscuous acts with each other's bodies.

In that case, perhaps it's better to end this twisted relationship sooner rather than later.

"I said, Sherry." "...What is it?" Sherry responded absentmindedly, her previous energy completely gone from her voice.

"Lately, I've been thinking that if things continue like this... it's not good, so..." I carefully chose my words while observing Sherry's reaction.

Halfway through my sentence, Sherry's slender body suddenly trembled.

"...Does that mean, brother, you hate Shirley?" "No, absolutely not." At least on this point, I can say with absolute certainty that I do not hate Shirley, and I never will.

But whether I love Shirley—not as a sister, but as a woman—"If that's the case, then why..." Shirley's tone became a little agitated.

"Although I don't hate you, because you're my sister... I still can't see you as a lover, and you don't really like me, do you?" "No... Shirley actually feels for brother..." Shirley seemed to want to confess something, but in the end, she couldn't form a complete sentence. She silently lowered her head.

An awkward atmosphere enveloped us, with only the monotonous ticking of the clock constantly striking our eardrums.

"...Brother, please go out first. Let Shirley think about it." After a long silence, Shirley finally spoke, her soft voice seeming as if it might dissipate into the air at any moment, completely unlike the energetic Shirley she usually was.

"Then I'll...go back to my room." I felt relieved to escape the suffocating atmosphere, but at the same time, I was still a little worried about Shirley.

I hesitated for a moment, but in the end, I could only choose to leave.

"You should go to sleep early too," I whispered before closing the door.

Actually, I knew that such shallow words meant nothing to Shirley; rather than showing concern for her, it was more of an act of escapism on my part.

Shirley didn't answer, still sitting quietly on the bed with her head down, her petite body reflected on her retina in the last moment appearing somewhat lonely.

A week passed in the blink of an eye. During this time, Shirley hadn't made love to me; in fact, you could say she was deliberately avoiding me. She

barely spoke to me unless absolutely necessary, and our relationship seemed even more distant than before I discovered Shirley's secret.

This was the normal relationship between high school siblings, and while I was being subjected to Shirley's sexual advances, I had longed for this kind of peaceful life.

But now that this was actually happening, for some reason, I was always restless; Shirley's image kept swirling in my mind.

To dispel my restlessness, I went to play soccer with my friends on Saturday morning, not returning home until midday.

My parents were working overtime as usual, and Shirley was probably out too, so I could spend the day undisturbed and do as I pleased.

Lunch? Of course, I couldn't possibly make it myself, but it's okay, there's plenty of Kangfu in the kitchen cabinet.

Just as I was casually opening my front door, pondering the insignificant question of whether to choose spicy beef or scallion-braised pork ribs for lunch, a

melodious voice, like a gentle spring breeze, greeted me. "--Welcome back," a sweet voice whispered

. "…………" The person suddenly appearing before me nearly made my jaw drop. I stood frozen like a rusty robot for a full ten seconds before my voice finally returned to normal, and I stammered,

"...Why, why are you wearing this in my house?"

My sister, Shirley, is practically a perfect girl.

Saying this out of the blue might make you think I'm some kind of siscon who saves up my allowance to buy Kasuga Sora figures. But for the sake of my reputation, I must make this clear upfront: I have absolutely no feelings for Sherry beyond that of family. That opening statement was simply stating a fact, an undeniable one.

First of all, she's exceptionally beautiful. I don't want to use clichéd descriptions like "beauty that could shame the moon and flowers," but let me put it this way: just last month, Sherry received confessions from 16 boys.

Of course, all of these brave souls perished—you ask why I know this so clearly? I'm sorry, this is a personal matter and I cannot disclose it—in short, having spent over a decade with Shirley, those actresses on television, whether innocent or sexy, are no different to me from the aunties selling radishes at the market.

If anyone thinks Shirley is just a pretty face, they're sorely mistaken; her academic performance is outstanding.

Since she entered school, she has been, in a sense, a nightmare for her classmates.

Her grades have consistently ranked at the top of the grade, an insurmountable wall for other students.

It's said that some even transferred schools out of despair, but whether this is true or not is now impossible to verify.

Most importantly, she was humble and easygoing, always wearing a warm smile that made people feel at ease. She was very polite to everyone and had no airs of a top student.

Although, generally speaking, girls who stand out from the crowd are easily envied by their peers and may be ostracized or bullied,

thanks to Shirley's gentle personality, she not only never experienced this, but was also the object of admiration for many girls.

At the time, I never dreamed that a certain accidental event would be like a magnitude 9 earthquake, causing the perfect image of Shirley in my mind to collapse.

"It's so hot~" On a Sunday in June, I weakly pushed open the door, almost dried out by the sun.

I had planned to visit a friend today, but on the bus I received a text from him saying he had to pick up his cousin from the airport who had just returned from abroad and wouldn't have time to entertain me.

That jerk! Is his cousin more important than his friend? Thanks to him, I had to get off halfway, take a bus on the opposite route back the way I came, and finally walk for about twenty minutes under the scorching sun to get home.

Speaking of things worse than this, there's probably only drinking cold water in detention, eating gutter oil in a restaurant, encountering city management officers while selling goods at a street stall, being hit by Li ○ming's car… Okay, there are quite a few.

It's only the beginning of June, but the heat is comparable to the dog days of summer. This must be a consequence of global warming. If humanity doesn't reduce carbon dioxide emissions, we'll face annihilation sooner or later—worried about the future of our planet, I changed into indoor shoes and pushed open the tightly closed living room door.

"I'm home—" As soon as I stepped into the living room, I felt a refreshing breeze.

I felt like a sapling receiving sweet dew, completely relaxed.

Air conditioning is truly humanity's best invention, bravo! What? You say air conditioning also has adverse effects on the environment, like drinking poison to quench thirst? I don't care about anything else. As long as I can escape this oppressive heat, I'll drink it without hesitation, whether it's poisoned wine or milk containing melamine.

"Brother, didn't you go to your friend's house?" Shirley seemed surprised by my sudden return. Usually calm and collected, she seemed flustered.

"My friend had something to do, so I came back early.

By the way, what were you doing alone in the living room?" "N-nothing."

"It's too hot, so I came to the air-conditioned living room to read." "Doesn't your room have air conditioning too?" By the way, my room doesn't have air conditioning, and in the sweltering summer, only an old fan blows out scorching air. That's quite a difference in treatment.

"My room's... oh, it seems to be broken." Hmph, little sister, your older brother is a hundred years too early to try and fool you.

When I came in, I clearly saw you taking a disc out of the DVD player; the indicator light was still on.

My parents aren't home today because they have to work overtime. Considering all these factors—"Were you watching a DVD just now?" "…………No," Shirley stammered, denying it, her face clearly showing panic.

Personally, I don't think it's a big deal. Shirley spends almost all her time studying, so it's normal for her to relax a little on a rare Sunday.

It's just that seeing the usually flawless Shirley so flustered is quite novel, and I can't help but want to tease her a bit more.

Let me clarify, I'm not a sadist.

"Really? The DVD seems to still be plugged in." "M-ma, Mom probably forgot to turn it off.

Anyway, I'm going back to my room to study.

Goodbye, brother." Shirley said this and quickly fled the living room.

Hmm—did I go a little too far? In the instant I turned around, I thought I saw tears in her eyes.

A slight sense of regret pierced my conscience like an embroidery needle.

Should I apologize? -- I wondered as I sat on the sofa, enjoying the cool world created by the air conditioning.

"What's this?" Suddenly, my left hand touched something hard and cool. I looked at it and saw it was a pink plastic object, looking like some kind of remote control, but I had never seen this type of remote control before.

The small panel had only one adjustable switch, with the numbers 1-3 marked next to it.

"If it's a remote control for a household appliance... it seems too rudimentary.

I've never seen something like this in my house before..." I muttered to myself, while trying to turn the switch to the "1" position to see if any appliances were activated.

"Ugh..." I faintly heard a panting sound behind me.

I turned around and saw that Shirley, who should have gone back to her room, had somehow appeared at the living room door.

Her face was flushed, her breathing was rapid, and her thighs were fidgeting and rubbing together, as if she was enduring something. She looked rather strange.

"Shirley, didn't you go back to your room? Your face is so red, are you sick?" Shirley didn't answer, her beautiful eyes fixed on something. I followed her gaze and finally realized what it was.

"Ah, is this yours?" "Yes... no, it's not." For some reason, Shirley stammered.

She seemed to really want the remote control, but was unwilling to admit it.

"If it's not yours, I'll give it to Mom." "Ugh... This is..." Shirley lowered her head, her whole body trembling slightly. Finally, as if she had made up her mind, she rushed towards me with surprising speed, snatched the remote control, and then quickly left the living room without looking back.

"What... what's going on..." I was left standing in the living room, which had been ravaged by my sister's whirlwind, muttering to myself in a daze.

After this small, unbelievable incident, I always felt that Shirley would sneak glances at me from time to time, and once our eyes met, she would quickly look away, pretending to be nonchalant, making me restless all afternoon.

Around 11 p.m., I was lazily lying on the bed watching One Piece when a polite knock on the door suddenly pulled me back to reality from my fantasy world.

"Who is it?" I was slightly surprised. My parents, who are used to going to bed early and waking up early, should already be asleep. Usually, no one would knock on my door at this time.

"Shirley, I want to talk to my brother about something." This was a rare visitor. Since Shirley started high school, she had never come into my room alone.

Especially so late at night. Although I was a little surprised, I immediately got up to open the door.

Standing at the door was Shirley, wearing a light blue sleeveless shirt. Her long, slender legs under her short skirt were as white as fresh snow, dazzling to the eye.

Perhaps she had just taken a shower, because her face was slightly flushed, and a faint fragrance wafted from her hair, tantalizing my nose.

I tried to suppress any inappropriate thoughts and greeted Shirley in a calm tone.

"Come in, sorry the room's a bit messy." "Sorry for disturbing you." Shirley lowered her head and walked into my room somewhat timidly.

...My sister visiting her brother's room in the middle of the night, saying she had something to talk about... This scenario felt familiar.

I shook my head slightly, trying to shake off the strange feeling, and cautiously asked,

"So late... what's wrong?" "Um... it's about... during the day..." Shirley lowered her head even further, stammering in an almost inaudible voice.

"During the day... that thing, could you please not tell Mom and Dad?" Ah, it's about watching the DVD in the living room, right? Being concerned about such a small thing, not wanting her parents to know—that's so typical of Shirley, a model student. "

Of course I won't say that—" I was about to answer, but then swallowed the words back.

As we both grew older, we had fewer and fewer opportunities to talk, so I wanted to take this opportunity to say a few more words to her.

"What are you referring to about what happened during the day?" So I pretended to be clueless, wanting to hear Shirley say it herself.

"It's that... in the living room..." "What about in the living room?" "...Does brother really want Shirley to say such an embarrassing thing herself?" "If you don't explain clearly, how am I supposed to know what it is?

Maybe one day I'll accidentally reveal something I shouldn't have to Mom and Dad." "It's just..." Shirley's face turned as red as if it were on fire, and her eyes were faintly glistening with tears.

"It's just..." Seeing Shirley's shameful reluctance to speak, a heavy sense of regret pierced my conscience like an ice spike. I

seemed to have done something similar during the day; I really should reflect on my actions.

Just as I was about to issue Shirley a pardon—

"It's about Sherry watching Muto ○'s porn while masturbating with a vibrator, and having three orgasms in a row—!" Sherry shouted in a self-destructive manner, the volume almost deafening. Then silence filled the room. One second, two seconds, three seconds—"What—?" A surprised voice echoed in the room, originating from my vocal cords, of course, even louder than Sherry's. But that's understandable, isn't it? The gentle and refined Sherry, the Sherry who seemed like a noble lady, the Sherry who even seemed to blush when holding hands with a boy, actually did...did that kind of thing when no one knew? This is even more unbelievable than the rising price of gasoline.

"W-Why are you so surprised? Didn't you already know? You even forced Shirley to tell you yourself. You're such a sadist!" Shirley puffed out her cheeks, staring at me with resentful eyes.

"No, I really didn't know at first." "Liar! Didn't you know Shirley tampered with the DVD player?" "I thought you were watching a regular DVD, like a Korean drama or something." "You also found the remote control for the vibrator and used it to play with Shirley." "I had no idea what that remote control was." And what does "play with" mean? Wait, I remember Shirley looked a little strange when I turned it on.

Could it be that the vibrator was still plugged into Shirley's vagina...? Thinking of this, I almost had a nosebleed.

Oh my god, I can't believe I have such a sister.

"No, no way, that means..." Realizing the enormity of her mistake, Shirley suddenly collapsed to the ground, utterly helpless.

"Yes, I didn't know anything originally.

You told me everything yourself." Although I felt heartbroken for Shirley's dejected state, it was the truth.

I never expected that Shirley, who was always so composed, would so dramatically expose herself.

"I-Is that so?

Hmph, hmph hmph hmph..." Shirley suddenly let out a strange laugh.

Oh no, could it be that she suffered a mental breakdown due to the intense shock? "Since my brother already knows, then there's only..." She lowered her head, her expression unreadable, but her icy voice sent chills down my spine.

"Only by killing my brother, and then Shirley will die too!" Before she finished speaking, Shirley had already jumped up from the ground, quickly grabbed the paper cutter on the table, and stabbed at me.

If I had reacted even a fraction slower, I might really be on the front page of the newspaper tomorrow as the brother stabbed to death by his own sister.

"What's with this suicide pact-like dialogue?

Calm down." "Don't worry, it's just a moment, it won't hurt your brother." "A firm no! Your eyes are terrifying, like some kind of cleaver-wielding woman!" I fought desperately against death while trying to calm the emotionally distraught Shirley.

Ten minutes later—"Here, a tissue." "...Th-thank you." Shirley, now calmer, sat in a chair sobbing. Judging from the situation, it seemed like I was bullying her.

Why did I end up in such an embarrassing situation? It's all that guy's fault for standing me up. Damn it, I'm never lending him my homework again.

"Anyway, I promise I'll keep it a secret from Mom and Dad, you can rest assured about that."

(Sobbing...) Shirley didn't answer, an awkward atmosphere filled the two of them, only the ticking of the clock seemed particularly jarring.

"Please, please stop crying, okay?" (Sobbing...) This is really bothersome, since that's the case, I have to make a tough decision—"As long as you don't cry, I'll grant you any request." Shirley seemed to finally react, she slightly stopped crying, and confirmed in an almost inaudible voice.

"...Really?" "A man's word is his bond." Whether it's H?agen-Dazs ice cream or La Chapelle clothes, just ask, the older brother is already mentally prepared for his wallet to shrink drastically.

But Shirley's request was far beyond my expectations.

"...Brother, make love with Shirley."

When faced with a major problem, people often subconsciously choose to escape, for example...a younger sister actively asking to make love to you—although this situation rarely occurs in real life, I unfortunately fell victim to it.

What? You say this is a blessing from heaven? Anyone with such thoughts should turn themselves in as soon as possible; she's your own sister!

"Shirley, it's getting late, go back to your room and rest." I didn't know what to do, so I could only force a cheerful smile that a brother should have when facing his sister and persuade her to leave, hoping to get away with it.

"Liar!

You just said you'd agree to anything!" Shirley glared at me with her eyes glazed over, her pupils still brimming with tears.

"Do you know what you're saying? This is really..." Faced with my sister's resentful gaze, I didn't know how to respond.

A strong sense of regret rose within me. If I could go back a minute, I would definitely use superglue to seal that idiot's mouth shut, and then kick him to the Fukushima nuclear power plant.

"Who said 'a man's word is his bond'?" Shirley pressed on.

Speaking of which, weren't you just crying your eyes out? You're recovering way too quickly, aren't you? Damn it, what should I do? Should I really use my penis to penetrate my own sister's secret garden? Don't be ridiculous. Although it's not uncommon to see beastly older brothers taking advantage of their sisters in novels or games, you can't confuse that with the real world.

In reality, there are shackles called "law" and "ethics." If this were exposed, I might spend the rest of my life surrounded by bedbugs and rats in a prison cell. If I'm even less lucky, I might encounter something like "hide-and-seek. "

"I'm sorry, this is really difficult.

Can you ask for something else?" "Really not?" Shirley pressed again, her tone more forceful.

Strange. I was supposed to be comforting the depressed Shirley, but when did the initiative shift and turn into Shirley making unreasonable demands on me? The current situation is too bizarre, almost like Pleasant Goat asking Grey Wolf to eat him.

I'm a normal guy, and in this situation, it's easy to act like a beast... No, please pretend I didn't say anything.

"...I'm sorry." "Is that so? In that case, Sherry won't insist." I felt like I'd been granted a pardon, but my excitement was immediately shattered by Sherry's next words.

"Sherry, go tell Mom and Dad that there are tons of DONGGEKIHIE under your brother's mattress, and over a dozen Galagames in the computer's hidden folder." ...Sister, you've searched way too thoroughly! Did you learn a thing or two from Takanashi Oo? As far as I know, Sherry hasn't come into my room alone since starting high school. Could it be that this girl took advantage of me when I wasn't around... Anyway, if I show weakness now, I'm doomed.

"No, don't be prejudiced against Galagame. The H scenes aren't the point; the intricate and moving plot is the essence.

There are many touching works in Galagame, such as Clannad and Toohart, which are considered classics." "Shirley has no interest in knowing about this. Shirley isn't some tsundere with otaku interests.

Anyway, brother only has two choices: either agree to Shirley's request, or go and instill the merits of Galagame in our parents." "Is this a threat? Aren't you afraid I'll tell everyone what happened during the day?" "Brother is such a liar. You promised to keep it a secret from Mom and Dad." "…………" "And brother, which side do you think Mom and Dad will believe if it's the two of us?" Shirley looked confident, and her words really hit a nerve.

A flawless, top-performing younger sister versus a clumsy, good-for-nothing older brother who occasionally makes mistakes—which side do parents trust more? The answer is obvious.

--Wait, if that's the case, why did Shirley specifically…? A question clouded my mind like a thin mist, but before it could take shape, Shirley's relentless pursuit followed.

"Brother, have you made up your mind yet?" "Anyway, no means no! This is so strange. We're siblings.

And countless people like you, why me…?" "Brother… do you want Shirley to date other boys?" For some reason, Shirley's face darkened, and a hint of resentment seemed to appear in her eyes.

And I just blurted out those words unconsciously, then felt a dull ache in my heart.

Why this pain? "Does that mean I don't want Shirley to date other boys?" Shirley suddenly changed the subject, asking a strange—or rather, obviously obvious—question.

So I honestly told her my true thoughts.

"Excellent grades, good character, you could say she's the ideal model student." "Then, what if such a model student were to fall in love?" "…………" I was speechless for a moment.

Indeed, in the eyes of many teachers and parents, early relationships are almost a heinous crime.

If Shirley were to have such a problem, the consequences would be unimaginable.

"But wouldn't doing that kind of thing with me be an even bigger problem?" "As long as no one else knows, it's fine.

We're siblings, a close relationship won't be suspected."

"No one would ever imagine that the perfect Shirley had a relationship with her useless brother." How could anyone use the word "perfect" to describe themselves? There's a limit to narcissism!

While this assessment isn't inappropriate considering Shirley's usual behavior, forcing her own brother to have a relationship with her is just...unbelievable.

Besides, saying her brother is useless is going too far; it hurts my delicate heart.

"Shirley seems like a completely different person now," Shirley said with a self-deprecating smile after hearing my heartfelt observation.

"Teachers, classmates, parents—no one understands the real Shirley, no one has ever tried to understand the real Shirley. They just keep Shirley confined in the cage called 'model student,' and she'll be scolded if she crosses the line even slightly.

Shirley is just an ordinary girl who wants to go shopping on weekends and go to karaoke with her friends." I never expected that my sister, who was surrounded by such a halo, would have such deep troubles. I was speechless for a moment and could only listen silently.

"Over time, Shirley learned to wear a mask and act out the ideal 'model student' in their minds.

But when no one knew, Shirley often masturbated, just like she did during the day today.

Partly to relieve stress, and partly probably out of a desire for revenge against adults.

But recently, she has gradually felt that the lifeless dildo can no longer satisfy her. Like a thirsty person trying to quench their thirst with seawater, the more she drinks, the thirstier she becomes, and the thirstier she becomes, the more she wants to drink.

Shirley wants to try real sex, she wants someone to understand her unmasked self, including her somewhat lewd side, but she doesn't have the courage to mention it to anyone, and can only hide this dark side in her heart..." Shirley paused, as if sorting out her inner feelings.

"When my brother found out what happened during the day, I panicked at first, but then I thought, could this be a chance from heaven for Shirley?

To let my brother know the real Shirley.

If my brother still refuses no matter what, then Shirley will have no choice but to... hide it from the adults and go outside to find a stranger..." "No way—!" I blurted out unconsciously, my voice startling even myself.

"Then, brother, are you willing to accept everything about Shirley?" Looking into Shirley's pleading eyes, my heart trembled violently.

What 'law,' what 'ethics,' in the end, they were all just excuses I used to protect myself, afraid of taking responsibility for what I did, without ever considering Shirley's feelings.

I don't deserve to be an older brother if I can't help my troubled sister.

If this was truly Shirley's heartfelt wish, then my pity for my sister transcended worldly constraints, and I nodded slightly.

The next instant, Shirley kissed my lips, even gently stirring her tongue in my mouth.

Shirley's soft body, warm temperature, and intoxicating fragrance gradually numbed my mind, leaving it blank… When my consciousness returned to reality, I found myself lying on my back on the bed, with Shirley straddling me—completely naked except for the black stockings covering her thighs. Her

fair skin was more radiant than snow, her breasts round and full, adorned with adorable pink nipples.

Her waist was so slender it could be encircled by a single hand, drawing a perfect curve from her abdomen to her thighs.

Her buttocks, seemingly incredibly bouncy, possessed both the firmness of a young girl and the fullness of a mature woman.

Her long, slender thighs were dazzling.

Shirley's body was truly a masterpiece of creation.

More importantly, Shirley's most private parts were also presented to me without reservation, like flower buds glistening with dew, ready to bloom.

The scene before me was too erotic; I felt as if a burning fire was churning within me, my breathing became rapid, my heart pounded violently, and my penis uncontrollably reached its limit of erection.

"Brother actually reacts to his own sister's body..." Shirley's tone seemed to contain both teasing and smugness as she grasped my weapon with her snow-white, slender hand; her body heat was clearly felt.

"This is...you seduced me, isn't it..." Shirley's face revealed a devilish smile as she lightly scratched the area near my coronal sulcus with her fingernail. The slight pain and the overwhelming pleasure made my body tremble involuntarily.

"Is it okay to say such insincere things? Your body's reaction is clearly so honest.

Brother should be more honest, shouldn't he?" Shirley knelt on the bed, slightly adjusting her position, aiming my erection at the entrance of her secret garden.

"Shirley will make brother unable to utter a word of resistance..." She slowly lowered her waist, but just as the pink mucous membrane was about to touch the glans, she jerked her body up as if electrocuted, a hint of hesitation appearing on her face.

"...Snow, Snowy, if you don't want to, don't force yourself." Influenced by her, my resolve began to waver slightly. Siblings having relations...it's terrible in every sense.

"Snowy's just teasing her brother a little, she won't back down so easily." My words seemed to have the opposite effect, igniting Snowy's competitive spirit.

She gritted her teeth slightly, aiming her glans at the entrance of her wet, soft vagina again. As she lowered her position, my penis parted the pink petals, gradually penetrating the inner part of her paradise.

Her vagina seemed to suckle, stimulating her most sensitive spot. The glans had only gone halfway in when pleasure instantly spread throughout my body like an electric current.

Sherry's skin was pink, and glistening beads of sweat covered her body, making her look exceptionally sexy under the light.

She paused briefly, panting heavily, then, as if finally making her final decision, she used her full weight to plunge her body downwards—"Ah—..." The penis was completely swallowed by Sherry's vagina.

Although she tried to suppress it, a low, mournful moan still escaped her lips.

A trickle of dark red blood seeped from the point of contact, mixing with the nectar.

"Sherry, you...?" The scene before me shocked me greatly. Sherry had mentioned using a vibrator to masturbate, so I naturally assumed that Sherry was no longer a virgin, but I never imagined that I would take my sister's virginity.

"...The vibrator...was inserted from behind.

My virginity...was always kept for you, brother," Shirley answered haltingly, her tone seemingly tinged with pride despite the excruciating pain of losing her virginity.

"And you, brother?...Have you ever...slept with other women before?" To my shame, I'd never even held a girl's hand, let alone gone all the way to home base. I was practically the kind of person who could say "go to hell with being a social butterfly."

If I could, I really didn't want to reveal such a shameful thing to my own sister.

But Shirley stared intently at me, her gaze seemingly piercing through my very soul.

"No...no.

It was my first time with Shirley..." Shirley seemed quite satisfied with my answer; the pain in her eyes gradually subsided, and a smile appeared on her face.

"Then I'll accept your virginity, brother.

In return, I'll let you experience heavenly pleasure..." Even though it was her first time too, Shirley uttered these defiant words.

Shirley began to sway her hips slightly, her penis, wet with vaginal fluid and blood, moving between her petals, looking incredibly lewd. The squelching sounds echoed in the room, further fueling my desire.

"...Mmm...Mmm...Hoo ah..." Shirley's moans gradually turned pleasurable, and her movements became more and more intense.

Warm, moist flesh tightly clung to my penis, and waves of pleasure washed over me relentlessly, making me feel as if I were floating on clouds.

My mind was completely consumed by desire, and I subconsciously bent my knees slightly, using the momentum to thrust my hips upward—"Ah... Brother... So amazing... Your penis... It's all the way in..." This combined with Shirley's downward thrust, instantly pushing my penis even deeper, reaching her very core.

Shirley's eyes were glazed, completely engulfed by the surging pleasure, uttering indistinct, dreamlike sounds.

And I, driven by the most primal human instincts, fiercely violated my sister's honeyed orifice from below.

"Shirley... I can't take it anymore... mmm... brother... let's ascend to heaven together..." Shirley's body began to convulse, seemingly a prelude to orgasm. Almost simultaneously, the urge to ejaculate exploded in my mind. My remaining rationality told me I couldn't plant my seed inside my sister. But just as I was about to pull my penis out of Shirley's body, Shirley seemed to guess my intention, leaning down to hug me, pressing our bodies even tighter.

"Shoot it in... brother's semen... all of it into Shirley's uterus! Shirley wants to feel everything brother has to offer!" In that instant, the urge to ejaculate reached its limit. I could no longer hold back, and a large amount of semen gushed out, crashing against Shirley's vaginal walls, filling her vagina.

"Ah, it's coming out... It's so hot... Brother's semen... It's filling Shirley's body completely..." Shirley murmured contentedly, then collapsed weakly against me and fainted. Twenty minutes later, the room was still filled with the arousing, sweet and sour scent.

Shirley had recovered from her daze, dressed neatly, and returned to her usual obedient self.

Only her slightly flushed cheeks and disheveled hair told the story of the recent frenzy.

I, also dressed neatly, sat on the edge of the bed. After calming down, the question from before gradually took shape in my mind. Curiosity, like bamboo shoots in spring, sprouted uncontrollably, and I tentatively asked.

"Shirley...you didn't intentionally...reveal the secret, did you?" "How could that be? What are you talking about, brother?" Shirley tilted her head slightly, looking at me innocently like a newborn kitten.

--Oh no, my sister's cuteness level has reached an unfair level.

I tried to suppress my wildly beating heart and continued speaking as if nothing was wrong.

"When I walked into the living room during the day, the DVD player was still running, but the TV was off, and I hadn't heard any sound before, probably because you turned the volume down very low.

Under these circumstances, it's usually impossible to know the contents of the DVD.

Besides, Shirley is an excellent student; no one would suspect that you were watching porn." Hearing Shirley's shocking confession, I was momentarily flustered and didn't notice these details, but after calming down and considering it carefully, I realized the inconsistencies.

I put my questions into words, feeling like a perpetual elementary school detective.

Shirley, however, remained unmoved, a calm smile appearing on her face.

"What you said makes some sense, but how do you explain the remote control? Shirley's masturbation aid ended up in your hands, you know." "If I knew what the remote control was for and was deliberately playing with you, why would I have cared if you were sick, and why would you have so easily taken it back? Remember what you said when we first came into the room? 'Brother, who do you think Mom and Dad will believe between the two of us?'" "Shirley did say that, so what?" "That's exactly what you said." It reminded me.

Even if, hypothetically, I did find some clues, the chances of my parents believing me if I told them my precious daughter had done something a good student shouldn't do without any evidence are probably lower than winning the lottery. On

the contrary, I might get a severe scolding for defamation.

Besides, you should know I don't have a habit of tattletales.” “Brother…you're smarter than Shirley expected.” Shirley's lips curled into an enigmatic smile.

--Hey, why does that smile feel a little creepy? It's like the last boss, always hiding in the shadows, is finally appearing.

"Now that things have come to this, Shirley isn't hiding anything anymore.

She deliberately revealed her secrets to entice her brother to promise anything, and confessed her innermost feelings to gain his sympathy. She even pretended to be unbearably ashamed and stabbed him with a knife—all of this was part of Shirley's plan." I felt a wave of dizziness. I hadn't expected to be outmaneuvered by my own sister. The real Shirley was so cunning.

No, judging from her long-standing act of pretending to be a good student, this was probably just a piece of cake.

"What exactly is your purpose in doing this?" "Does it even need to be said? To turn my brother into Shirley's slave—oh—" "…………" I didn't know how to answer for a moment. Slave? This girl has such a heavy taste.

If he doesn't find a way to resist, he'll probably suffer oppression for the rest of his life.

"I'm not a masochist, how could I become someone's slave?

And using a weapon is really going too far, what if I were to be harmed?" "It's okay, Shirley can play the piano too." Shirley's eyes darted around, probably feeling a little guilty about it.

"What does murder have to do with playing the piano? Where did you hear such a brain-dead theory?" "Just kidding, Shirley wouldn't really hurt you, brother." "

Anyway, I will never admit to being a slave." Although the situation was extremely unfavorable, I was still trying to put up a final act of resistance.

"Are you saying that brother plans to abandon Sherry? After satisfying his lust, he'll just throw her aside like an old piece of clothing? Sherry is so pitiful... Waaah!" "This was all your scheme, wasn't it? Pretending to wipe away tears with a handkerchief didn't work. I won't be fooled anymore." "Is that so? It's

okay, Sherry has one last trick up her sleeve." Sherry decisively ended her crying offensive, her expression miraculously brightening, a confident smile returning.

Damn it, she was faking it all just now.

To be honest, even knowing she was faking it, I still felt a little sorry for her.

"Then Sherry will go tell our parents that she was raped by her brother.

Unlike that idiot brother, Sherry has solid evidence, because his semen is still perfectly preserved inside her." After saying that, Sherry made a move to walk towards the door. In a panic, I instinctively grabbed Sherry and pulled her back.

"Oh dear, brother is really rough.

But Sherry doesn't dislike brother like that." "Stop joking, what do you want?" "Sherry isn't joking. If you want to keep it a secret, brother has to agree to become Sherry's slave." I was at a loss, completely cornered.

If my parents found out about my relationship with Sherry, the consequences would be unimaginable—no, I didn't even want to think about what kind of punishment I would receive.

But if I yielded to Shirley, given her cunning nature, a long hell awaited me, where I would be constantly oppressed and unable to lift my head.

At that moment, I felt like I was struggling in a maze with no way out, seemingly unable to see any light of hope no matter what I chose.

Seeing that I didn't answer, Shirley spoke again, her attitude as arrogant as a judge about to try a prisoner.

"Seeing how distressed you are, kind-hearted Shirley will have mercy and elevate you from slave to secret lover, how about that? Just so you know, there are countless boys who want to date Shirley." Hmm, this is probably what it feels like for a death row inmate to have their sentence commuted to a suspended death sentence.

But thinking about it carefully, it's still strange to make your own brother your lover.

Thinking back to how she behaved during sex... could it be that Sherry really... likes me? "Sherry, do you really... like me?" For some reason, Sherry's cheeks suddenly turned red, and the composed smile she maintained when her plot was exposed vanished instantly.

"Don't, don't be so presumptuous.

How could Sherry possibly like someone like my brother? Have some self-awareness!

What I said back then... was just the atmosphere... Besides, a useless guy like my brother, if he's not given a little encouragement, his penis will definitely go soft like a thawed cucumber, and Sherry will be bothered." I was almost knocked down by Sherry's merciless words, and my mood became a little depressed.

No matter what, there's no need to demote my brother to this level.

"If that's the case, why choose me as your lover?" "Are your ears just for decoration?

Didn't I just say that because you, my good-for-nothing brother, couldn't make up your mind, the gentle Sherry made a special exception and promoted you from slave to secret lover?

You can't even understand something this simple? Is your brain filled with 6-bit sweet bean sauce?

Or is it that you actually enjoy being tortured like Suna-Taro, and would rather be a slave than a lover? Which side do you choose?" I didn't expect Sherry to be not only cunning but also so sharp-tongued.

Where did that model student go? No, thinking about it carefully, she never existed in the first place. That was just an image Sherry was playing.

"Have you thought it over? Sherry's patience has its limits." "...(lover)" I finally made up my mind, choosing the lesser of two evils.

This was the only path I could take.

But my reply was as soft as an introverted girl speaking in public for the first time.

"Sherry can't hear you.

You have to say it loudly, 'Sherry, please go out with me.'" What kind of shameless play is this? You wretched girl, remember this.

"Please...please go out with me..." "Your voice is still too soft.

You can't even confess to a girl, you're such a loser." Because this wasn't a heartfelt confession, it was completely forced upon me, I thought to myself.

Unfortunately, I was completely powerless to resist Sherry at the moment.

So, I mustered all my courage and, with the resolve to jump from the Oriental Pearl Tower, shouted, "Shirley, please go out with me!"

How embarrassing! Why did my first confession—though not intentionally—have to be to my own sister? Did the god of love have a grudge against me? "Well, since you've put it that way, Shirley will reluctantly agree," Shirley seemed finally satisfied, a radiant smile blooming on her face.

And I could almost hear my daily life crumbling.

And so, the dangerous secret relationship between my sister and me began.

Since the start of summer vacation, the mercury column in the thermometer has been steadily rising, its momentum rivaling that of the CPI of some great powers. The sun hangs high in the sky, generously bestowing vast amounts of light and heat upon the earth.

Logically, this is the perfect time to stay indoors, curled up on a cooling mat with the air conditioning on.

But here I am, standing at the entrance of an amusement park, playing a staring contest with my watch. As the hands tick forward, my anxiety grows ever stronger.

Even under the shade of a tree, the heatwave still washes over me. I've even started seriously considering escaping to Antarctica to play with the penguins.

"Shirley, why isn't she here yet..." The complaint slipped out unconsciously.

Yes, I was waiting for someone.

More precisely, I was waiting for my date.

Just looking at that sentence, many single men might cast looks at me with a mixture of envy, resentment, and even curses.

But the reality isn't as rosy as everyone imagines, because there are two profound issues at play—"Sorry to keep you waiting, brother," a familiar voice came from behind me. I turned around, intending to unleash my dissatisfaction on that unpunctual guy.

He'd made me wait for almost half an hour; complaining a bit is only natural, isn't it? This right is constitutionally guaranteed… I suppose so.

"Why so slow..." My voice trailed off, and for a moment I even wondered if an angel had descended upon me.

Although she has many flaws in her personality, if you only look at her appearance, Sherry could definitely put even top idols to shame.

And Sherry, dressed in a white dress and lightly made up, was 30% more charming than usual (personal observation).

The other person seemed to realize that I was slightly lost in thought and asked in a teasing tone,

"Are you saying that you're mesmerized by Sherry, brother?" Although I was very unwilling, it was the truth. The problem was that once I admitted it, I would lose, and the initiative would be completely in the other person's hands.

So I pretended to be nonchalant and vehemently denied it.

"How could that be?

Instead of saying such boring things, why don't you reflect on your own lateness? You were almost half an hour late, that's so tactless!" Shirley puffed out her cheeks slightly, retorting with a hint of dissatisfaction.

"In this situation, answering 'It's okay, I just arrived too' is the proper etiquette for a guy, brother, you really have no gentlemanly manners at all." "Why do you make it sound like I'm the one in the wrong?

How dare you criticize others when you can't even do something as basic as being punctual?" Shirley bit her lip, but a mischievous smile quickly appeared on her face again.

"Okay, it's Shirley's fault. It's so troublesome to prepare for going out.

And more importantly..." Shirley paused slightly, bringing her cherry-red lips close to my ear and whispering,

"...with a vibrator in there, it's really inconvenient to move around..." As this devilish whisper vibrated my eardrums and sent nerve signals to my brain, I knew I had completely lost this mini-battle of words. Not only could I not hold Shirley accountable for being late, but I couldn't even maintain my composure.

A series of terrible thoughts flooded my mind, and my heart began to pound.

"Brother's blushing, are you imagining Shirley's pussy with a vibrating egg inside?" "H-How could that be... It

's just because it's too hot." Although I vehemently denied it, I knew that this excuse was like a "Do Not Run a Red Light" sign, completely useless.

"...Fine, kind-hearted Shirley, let's just say that's how it is." Shirley finally gave up on further provoking my fragile composure on this topic, but this didn't mean she was absolving me; instead, it foreshadowed an even greater disaster, all because of the pink remote control she shoved into my hand.

"Then, as a reward, brother, please use this to properly train Shirley today, let Shirley experience heavenly pleasure." -- You should all know what the 'two profound questions' I mentioned earlier were referring to.

First, the person I'm meeting is my own sister. Second, what's happening today is... well, I don't know whether to call it an outdoor vibrator play or an outdoor vibrator play date. In short, it's a very bizarre activity, far removed from what I consider a healthy date.

Thinking about it carefully, this is practically a crime... Ah—to the reader over there, please don't take out your phone to call the police.

It's not my fault that things turned out this way; to be precise, I'm the real victim, completely forced into this situation.

Although I desperately want to bury this memory deep within my heart, like avoiding touching a cactus, I have no choice but to dig it up and expose it to clear up the misunderstanding.

So, let's begin the recollection—two days ago, in the afternoon, I was lounging on the living room sofa, napping like a hibernating brown bear, when the doorbell suddenly pulled me back to reality.

"Delivery—!" someone called from outside.

So I turned over—closed my eyes again, trying to drift off to sleep once more.

If I hadn't developed amnesia at such a young age, there shouldn't have been any deliveries to me recently, meaning the doorbell had nothing to do with me.

And Shirley was home too; she'd probably sign for it. Since that was the case, I figured I should just keep resting.

I'm sure many of you have similar thoughts; it's not because I'm too lazy to get up.

Sure enough, as I expected, Shirley quickly ran out of her room.

But after signing for it, she didn't go back to her room. Judging from her footsteps, she was heading towards the sofa where I was sleeping.

So I slightly opened my sleepy eyes and noticed that Shirley was holding a small box, about 30 centimeters square.

Also, I don't know if it was just my imagination, but I felt a faint smile on her face; she seemed to be in a very good mood.

"Is this a package for you?" "Yeah, I bought it on Taobao." "What's inside?" I asked casually, but regretted it as soon as I finished speaking, because Shirley's face clearly showed a "I was waiting for you to say that" expression.

"Does brother want to know?" "...No, never mind." As the saying goes, curiosity killed the cat.

Especially since what happened in June, I've discovered Shirley's cunning nature hidden beneath her model student mask, and my instincts tell me that a deep and unfathomable trap awaits ahead.

"Brother must want to know, right?" "Sorry, I'm not interested." "Brother definitely wants to know, right?" Shirley persisted, shoving the packaging box in front of my eyes like a primary school student eager to show off after getting a perfect score (in fact, Shirley often filled her test papers with variants of the letter 'r').

"Okay, okay, what's in the box?" I finally gave in, succumbing to Shirley's persistence.

But soon—to be precise, ten seconds later—regret sprouted in my heart like bamboo shoots after a spring rain.

"This is it, a new type of 20-segment variable frequency wireless remote-controlled vibrator, with a remote control distance of up to ten meters..." Shirley opened the packaging box, proudly showing off her spoils, while launching into a long-winded introduction like a host on a fast-moving consumer goods platform.

I felt a headache coming on. Vibrators shouldn't be something underage girls talk about so enthusiastically.

Ever since I accidentally stumbled upon Sherry's secret not long ago, she's made no attempt to hide it from me.

She pretends to be a gentle and refined girl in front of others, but when we're alone, her wantonness is so extreme that even some women in the sex industry would

be envious. She's practically a textbook example of 'hypocrisy.' Speaking of which, she probably bought it with her parents' allowance. I wonder what they'd think if they knew their beloved daughter wasn't using that money for reference books or anything like that, but instead spending it on adult toys.

For the first time, I felt a little sympathy for parents who never reciprocate their love.

"...Is that so? That's really nice," I said dismissively, standing up to make my strategic retreat to my room.

Unfortunately, Sherry, quick as a flash, grabbed my clothes.

"Where are you planning to go, brother?" "An expedition to Aize○s." "Don't always stay cooped up in your room playing games. It's summer vacation, you should go out and have some fun sometimes." "There's nowhere to go, and it's so hot." "How about this place?" Shirley pulled out a flashy, modern-style flyer from somewhere, with the words "Amusement Park Grand Opening" prominently displayed.

"Brother and Shirley, let's go on a date here the day after tomorrow, it's settled!"...Wait a minute, what do you mean "settled"? Are you some kind of spokesperson for a certain website?

Completely ignoring my opinion, why do I have to go on a date with my own sister?!

"I'm sorry, this is really a bit..." "Huh, brother, you don't want to?" What's with that surprised look? What reason do you have to be so sure I'd agree?

"...No, generally speaking, siblings wouldn't go on a date, right?" "Isn't brother Shirley's boyfriend?" That hit a nerve. Last month, for some reason, my precious first confession was tricked by this girl, and ever since then, whenever we're alone, she's been calling herself my boyfriend.

For the details, please refer to the previous chapter...no, it's better if everyone doesn't know about that embarrassing thing.

"Or is it that you've already gotten tired of Shirley and are planning to fall for someone else?" "No, that's not the point... I'm worried... what if we get caught by someone we know?" "We can go our separate ways and meet at the amusement park entrance.

That would actually create a more romantic atmosphere." "But, but..." I still intended to resist, and Shirley's lips curled into a sly smile.

"Oh, right, let me hear something good." Shirley pulled out her patriotic voice recorder from her pocket, pressed a few buttons, and a voice came through.

'Shirley, please go out with me!' This was the line I had forced to confess to Shirley, and that wretched girl had recorded it. A

wave of shame washed over me, and I almost wanted to bang my head against the wall.

*Snap*—"Shirley, please go out with me—!"

*Snap*—"Shirley, please go out with me—!" "My brother's confession is still so beautiful no matter how many times I hear it," Shirley said, her face slightly flushed, looking completely intoxicated.

Do you really like such embarrassing lines? This guy is definitely a hopeless sadist.

"P-please don't play it anymore!" This is practically rubbing salt into my emotional wounds. Is there no one who can stop her tyranny? "Share this audio with your friends, let everyone see it." "Please have mercy! Aaaaaaah—!" I pleaded from the bottom of my heart, even if it meant kneeling.

If outsiders heard that, I would definitely be branded a perverted siscon and forever erased from society.

"So, about the date..." "Okay, okay, I'll go." "Meet at the amusement park entrance at 9 AM the day after tomorrow." "Okay, okay." "If you don't show up or are late, you'll be executed!" "Are you some kind of leader?" "You'll also be giving Sherry a good beating with a vibrator then." "Okay... wait, you made such a request so casually, I almost agreed." "Isn't this what you've always dreamed of, brother?" "How could you..." "So, what kind of image does your brother have in your heart?" "A sadistic brother who likes to play with his sister's anus with a vibrating dildo." "Haven't I said it many times? I really didn't know at the time." "A beastly brother who forcibly took his sister's virginity." "...That was your scheme, wasn't it?" Although in conclusion, it was indeed my first time invading the forbidden place that my sister had guarded for sixteen years, it can be said that it was all Shirley's conspiracy, and I was completely manipulated by her.

"Making excuses to avoid taking responsibility? That's not how a man should behave." "..." I was speechless for a moment. Usually, after something like this happens, the woman is always considered the victim. If they use the killer move of 'responsibility,' she has no choice but to obediently give up resisting.

"...It's not that I'm... unwilling to take responsibility, but that's a different matter." "If you're willing to take responsibility, at least show some sincerity. You can't even meet Shirley's insignificant request? And..." No one would call outdoor discipline a 'insignificant request,' and please stop fiddling with that recording pen. To me, it's more terrifying than a nuclear weapon button.

If I could, I'd throw it into Mauna Loa.

"Fine, fine, I'll do whatever you say, okay?" I shouted in despair. I felt that since realizing Shirley's true colors, my behavior had been constantly deviating from the norm, gradually being dragged into an unfathomable abyss of darkness by her, but now there was no turning back.

And so, under Sherry's pressure, my first date plan (with an outdoor vibrator play) became an unchangeable fact.

-- End of flashback mode.

See, everyone understands now? This was all Sherry's doing. If we went to court, I'd be 100% confident of winning.

"Sigh..." My sigh blended into the cloudless summer sky.

"Brother doesn't seem too happy. Not happy about your date with Sherry?" That's only natural, isn't it? Aside from a die-hard siscon like Kyoko Kosaka, who would be happy about a date with their sister?

I've said it before, I have absolutely no feelings for Sherry beyond family. That statement is even more true and believable than a thousand lines of code.

But my intuition and accumulated experience told me that I absolutely couldn't honestly tell the truth in this situation, or the consequences would be dire.

"...No, it's not your fault. I'm just worried about the economic situation in our country." "...Although it doesn't seem very believable, it's a rare date, so don't think about anything that might spoil the mood.

A memorable first date, let's go!" "Um..." I could only weakly reply.

But at that moment, the radiant smile on Shirley's face made my heart race a little—really just a little.

The amusement park was packed with people on the weekend; it felt like any photo taken there could be a textbook example of 'a sea of people.'

Shirley clung tightly to my left arm like a koala, her well-developed, full breasts making direct contact with my skin, the soft touch stimulating my fragile rationality.

Please allow me to reiterate, this girl is my younger sister.

"Shirley…could you please move away a little?" "Huh? Why? Aren't all couples like this?" Indeed, a glance around revealed several young couples behaving intimately.

The problem was—I was certain they weren't siblings.

"It's hard to walk when you hug me like this..." But at this point, using the sibling reason to ask for a proper distance is pointless. Shirley would definitely reject it with a reason like, "My body has been thoroughly ravaged by my brother."

So I had to make up another excuse, although I didn't have much hope for this flimsy one.

"It's nothing, the important thing is that brother won't forget that..." Shirley used the four light words "something" to gloss over my reasonable request, then let her vocal cords rest, uttering two words to me solely through lip movements—(vibrator). I've never learned lip reading, but I could clearly understand Shirley's meaning.

Could it be that we've already become telepathic? No, no, I don't want this kind of telepathic connection.

"Is it really... absolutely necessary?" I subconsciously gripped the remote control in my pocket, feeling my palms already soaked with sweat.

"Of course, isn't this one of today's main activities?" Amusement parks should be more wholesome recreational places; normally, no one would come here to do such lewd activities.

I mentally refuted this while looking around at the tourists. How should I put it? The dense crowd naturally gave me the feeling that 'the Earth's population has really reached seventy years.'

"There are so many people here, what if we get caught?" I whispered my objection, and I could feel the tension in my voice.

But Sherry completely ignored my words, continuing to slightly part her cherry blossom-colored lips—(turns on the remote control) It's truly amazing to be connected on a deeper level; you can understand each other's hearts without words… No, this isn't the time to be sentimental.

"…Isn't this dangerous?" (turns on the remote control) Damn it, all you do is talk about the remote control (though you don't say anything), are you a broken, broken parrot?

In that case, I don't care what the outcome will be.

With a soft click, I resignedly turned on the remote control.

"Ugh…" The next instant, Sherry bit her lip, letting out a low, delicate moan, her slender body beginning to tremble slightly.

"Shirley, are you alright?" "...I...I'm fine," Shirley answered haltingly, her voice seemingly filled with pain, yet also tinged with pleasure.

...This girl, she actually likes to masturbate with a vibrator in public. How could I have such a perverted sister?

Her trembling body, flushed face, and glistening beads of sweat on her snow-white skin—this pitiful appearance strongly stimulated my male instincts.

I desperately suppressed my rapidly beating heart, casting my impure thoughts far away into the Pacific Ocean, and tried to speak in a calm tone.

"Can you walk by yourself?" Stopping in such a crowded place would likely alert others to Shirley's unusual behavior. Therefore, it was best to move quickly and find a less crowded spot.

"Hmm..." Shirley nodded slightly, then dragged her trembling legs forward step by step.

After moving several hundred meters like this, Shirley seemed to gradually get used to the stimulation of the vibrating egg, and her reaction wasn't as intense as at the beginning.

Fortunately, no one around us cast suspicious glances.

It seemed we could pass without any major incidents. Just as I secretly breathed a sigh of relief, I suddenly felt Shirley tugging at my clothes.

(Turn up the intensity) I began to curse that damned "telepathy."

Just how crazy are you planning to get?

But I knew very well that even if I tried to dissuade her, Shirley would be like a stubborn tyrant, refusing to listen to a word.

So, I could only offer sincere prayers to God, Buddha, Allah, and all the deities I knew, while simultaneously switching the sweat-soaked remote to the second setting.

Shirley's body trembled like an electric shock, pain and pleasure intertwining on her face.

With a groan, Shirley pressed her thighs tightly together, her body slowly sinking down.

This unusual behavior finally attracted attention; some people stopped and looked at Shirley and me with gazes that were hard to decipher—whether of concern or suspicion—and began to whisper among themselves.

Cold sweat streamed down my back. I quickly turned off the remote and bent down to ask in a low voice.

"Are you alright?" Shirley didn't answer, only breathing heavily, as if she had just run a ten-kilometer marathon.

I noticed a clear stream of fluid running down the inside of Shirley's thigh, even the upper part of her stockings was slightly discolored from being soaked.

...Could it be that Shirley just had an orgasm?

My own sister actually had an orgasm in front of everyone, as her brother, I didn't know whether to be distressed, lament, or just kill myself.

But the most urgent thing was to find a way to escape this place quickly without anyone noticing.

"N-I'm sorry, my sister...my friend seems to have an upset stomach."

"It should be alright, everyone don't need to worry," I forced a fake smile like a salesperson dealing with a difficult customer, while inwardly cursing my own poor acting skills.

Then I helped Shirley up, staging a triumphant escape under everyone's gaze.

The stares from behind felt like sharp blades piercing my back.

I helped Shirley to a tree-shaded pavilion. Perhaps because it was just past ten in the morning, not yet rest time, the entire amusement park was bustling with people, but this place was unexpectedly quiet, creating a world for Shirley and me... No, I didn't have any bad intentions, it was just better if no one disturbed us in this situation.

I let Shirley sit on the bench to rest, and then went to the nearby convenience store to buy her some Kangfu mineral water (iced) and handed it to her.

"..." Shirley silently took the clear plastic bottle, her eyebrows slightly furrowed.

"What's wrong? Are you feeling unwell?" "Don't you know Shirley prefers Tongxing orange juice?" "Who knows!" I couldn't help but shout.

Being picky about drinks, the word 'gratitude' probably doesn't exist in this girl's dictionary.

I'm already exhausted, both physically and mentally, from covering for you.

But... if she has the energy to worry about this kind of thing, it means she's healthy, right? My heart, which had been pounding, finally calmed down a little.

"Understanding your girlfriend's preferences is a guy's duty, you're far from that," Shirley said, wagging her index finger and lecturing me with irrelevant knowledge.

How could someone who's been causing me so much trouble have the nerve to say something like that?

"But I still want to say thank you, thank you, brother," Shirley suddenly changed the subject, pressing the mineral water bottle against her still slightly flushed cheek, offering words of comfort with a dazzling smile.

Ugh—that's practically cheating! Being thanked like that, I can't even utter a word of complaint.

So I looked away, trying to forcefully change the subject.

"Speaking of which, that was really dangerous just now. We almost got caught." "It's okay, Sherry already had a plan." "...Is that so? That's good." That makes sense. Even Sherry wouldn't do a public outdoor play without any preparation, right? "Just claim that you were forced by your brother.

The poor little sister succumbs to male lust and is wantonly played with by her sadistic older brother (crying)." "That's completely turning black into white. What do you mean by 'poor little sister'? Also, please don't try to gain sympathy by faking tears." I could clearly feel the veins throbbing on my forehead. Just how cunning is this guy?

"Shirley has no choice. If others find out, the image I've built up will be ruined." "Since you know, don't do anything so dangerous." "Anyway, my brother is here. Is this what you call 'sacrificing the pawn to save the king'?" "Don't talk like you have Angola. Do you think I'm just a pawn to be used and discarded?" "How could that be? My brother holds a very important place in Shirley's heart, second only to Wi-Fi's electric dildo." "Am I not even as good as an adult toy?" "Then let's put it another way. I'm on par with a cucumber wrapped in full-service." "My status hasn't improved at all. On the contrary, it has subtly declined." As for what a cucumber wrapped in full-service is used for... for the sake of mental health, it's best not to think about it.

"Still not satisfied? Shirley clearly values brother so much." "You make it sound like you've made a huge concession. Where did you show any respect for me in your words just now?" "Shirley clearly loves brother so deeply." "...Huh?" I was stunned for a moment. I remembered that this was the first time Shirley had ever said the word 'love' to me.

And she said it so naturally that I didn't know how to respond.

The playful expression completely disappeared from Shirley's face, and she continued in a very serious tone.

"Brother is Shirley's oasis. Only in front of brother can Shirley not wear the mask of a good student and show her most authentic, slightly lecherous self.

Shirley's body and soul belong to brother alone, because brother is irreplaceable, the most important person to Shirley." I didn't expect Shirley to say such embarrassing lines face to face. I felt my face slightly hot, and my heart felt like it had been filled with lemon juice, both sweet and sour.

I even ignored the obvious point of criticism, "You're not 'a little' lecherous, are you?"

Just as I was considering how to respond… “Would you be happy if I said that?” “Damn it, is she playing tricks on me again?” The sweet atmosphere between us vanished like magic. Although I knew long ago that Shirley was like a wicked witch who enjoyed deceiving and toying with others, I still unknowingly fell into her trap. I don’t know if it was because I was too careless or because Shirley’s irresistible charm was at play.

“Brother… are you angry?” Shirley came closer to me. If you only looked at her appearance, she was indeed as perfect as an angel. Her captivatingly beautiful face made it hard for me to look directly at her.

"I'm not angry," I subconsciously turned my face away. In the process of getting to know Shirley, I had gradually figured out her personality. If she were truly angry over something so trivial, she would have already had a stroke.

"As an apology, I'll give you a gift, brother," Shirley said, reaching her right hand under her skirt and, with a sweet breath, pulling out something pink.

A vibrator, covered in a clear, honey-like fluid—which was to be expected, since it had been inside Shirley's vagina just moments before, likely still carrying her body heat. It looked a hundred times more erotic than any cold, plastic product in its packaging, and even the air seemed to be filled with the alluring scent of female hormones.

"...What...does this mean?" The sudden appearance of this age-limited item was too much for a high school student, and I could barely speak.

"Give it to your brother to keep.

If you can't sleep at night because you're thinking about Sherry, you can use it to masturbate." "...No way!" You actually use your sister's used vibrator as a nighttime treat? Just how perverted do you think your brother is?

"Isn't your brother the one who likes this kind of thing the most?" This is blatant slander. Can I file a complaint?

"So...what your brother wants is Sherry's body?" Sherry smiled seductively and sat on my lap.

"Stop! We're outdoors. What if someone sees us?" "That's not what my brother's penis says, you know." Shirley used her soft, boneless hands to unzip my pants and pull out my penis... The symbol of masculinity was already standing tall... It's a man's instinct, and I can't help it.

"Shirley's little hole... is already so wet... Brother, don't you really want it?" Shirley used her right hand to caress her clitoris, stretching it into a long, silvery thread, whispering seductively in my ear.

I was speechless for a moment. To say I didn't want it would be a complete lie.

Ever since I experienced that feeling of being on the verge of death, I've become like an addict addicted to some terrible drug, unable to extricate myself.

And once I crossed that final line, my psychological resistance became weaker and weaker.

"(Thinking...)" My voice was barely audible. Thinking back, Shirley always took the initiative in these kinds of situations. Generally speaking, it should be the opposite of a male-female relationship. I felt really ashamed.

"Very well, then kind Shirley will give brother a reward." I don't know when apology turned into a reward, but at this moment I had no energy left to complain about such trivial matters.

Shirley stood up slightly, pulled her panties aside to cover her private parts, and then, supporting my penis against the entrance to her paradise, slowly sat down—"Mmm..." Since Shirley had already experienced an orgasm, her vaginal canal, filled with lustful nectar, was fully lubricated, and there was no longer the hesitation of the first insertion. With Shirley's soft moans, her tender pink buds effortlessly swallowed the huge penis to the root, her vulva pressed tightly against my waist.

"In...in...brother's...penis...all the way in." Although the insertion went smoothly, the tightness of her vagina was no less than when she had just lost her virginity.

Rather, it was as if, after experiencing the taste of sex, the naturally alluring Shirley's genitals had rapidly evolved into a juice-draining tool that drove male instincts wild.

Even without thrusting, the walls of flesh surrounding my glans were still gently undulating, sending wave after wave of exquisite stimulation to my pleasure nerves.

"Is Shirley's vagina...comfortable...?" After taking my penis all the way inside, Shirley, her face flushed, asked in a captivatingly seductive voice.

"Mmm... Shirley's pussy is the best... so comfortable and warm." My brain was filled with dopamine, and I threw away my usual reserve, telling Shirley my most honest feelings in a dreamy voice.

"Brother too... your cock... fills Shirley's inside... so full... so comfortable, I'm going to move..." Shirley smiled with satisfaction, slightly raised her body, and then sat down again to take my cock in, repeating this motion repeatedly, letting my penis rub against her honey hole.

"Shirley feels so hot inside..." The lewd sounds echoed in my ears, and with the small thrusts, Shirley's skin, immersed in pleasure, gradually turned a pale cherry color, and her forehead was covered in a dense layer of sweat.

At the same time, her vagina secreted even more vaginal fluid, flowing down her labia and soaking a large area of my pants.

"Shirley...no, I can't take it anymore...I'm being violated by my brother...I'm going to come...fill Shirley's wanton womb with your semen..." "Shirley, I, I too..." "Eee, brother's penis...it's gotten bigger again." Shirley swayed her hips back and forth, a look of ecstasy on her face. She gripped my arm tightly, seemingly desperately trying to suppress the pleasure, even drawing three bloody marks on her skin.

"Ugh, I can't take it anymore...Shirley, Shirley is going to die..." With a frantic cry, Shirley's body arched back sharply and trembled violently as if electrocuted, finally reaching her second orgasm.

Almost simultaneously, my penis erupted uncontrollably, white lava flooding Sherry's cervix.

"Brother's semen...it's amazing...Sherry's uterus is almost melting!" Sherry's body went limp, as if exhausted, clinging tightly to me.

Ten minutes later, I dragged my still-excited and tired body to clean up the battlefield, straightening my disheveled clothes and wiping away unwanted stains with tissues.

"Brother was really wild just now," Sherry, now calm, teased as usual, and this time I couldn't refute her at all.

Thinking about it carefully, I realized I had done something incredibly bold. To do that with Sherry in a pavilion where someone could come at any time, and to make such a loud noise—if we had been discovered, there was no doubt it would have been the end.

A strong sense of dread washed over me.

"Why aren't you saying anything? Ah, are you still fantasizing about Sherry's body?" Sherry continued to press.

Always doing dangerous things like standing on your head on a cliff edge, and then laughing and joking as if nothing happened—doesn't this lustful person know what fear is?

"...Let's leave after we're done," I said, ignoring Sherry's question, and left the pavilion first.

"Ah, wait a minute.

Is brother in such a hurry to go somewhere else to make love with Shirley?"... This girl is hopeless.

As evening approached, the relentless sun, which had been scorching the earth, finally seemed to run out of fuel, transforming from a dazzling white to a half-cooked egg yolk-like orange, gradually sinking towards the horizon.

Could you please show up a little later tomorrow? Don't be at work before six every day; nobody pays you. It's not bad to take a break sometimes.

I dragged my heavy legs along with Shirley. It's a cliché analogy, but my body really felt like it was filled with lead.

After leaving the pavilion, Shirley led me to leave my footprints all over the vast amusement park.

Thanks to this, my stamina has now dropped to the dangerous red zone.

If we were to use an RPG example, just encountering even one more low-level slime would guarantee my game over.

"...?" In contrast, Sherry beside me showed no signs of fatigue, her steps light as if unaffected by gravity, even humming a soft song.

Youth is truly wonderful... Wait, am I some kind of old man?

"Sherry, don't you feel tired at all?" "As long as I have my brother's semen, Sherry is practically a perpetual motion machine..." Okay, I'm such an idiot for asking that question.

Besides, a perpetual motion machine is probably impossible, right?

I looked up at the sunset and suggested to Sherry.

"It's getting late, we should probably head back." "Ugh, Shirley hasn't had enough fun yet.

Right... let's just get a hotel room, otherwise my brother won't get any sleep tonight." "Putting aside the possibility of two high school students getting into a hotel room, our parents will definitely worry if we don't come home at night." To be honest, I wasn't entirely unmoved by Shirley's suggestion, but the risks were too high.

Shirley's expression suddenly darkened, like a child whose beloved toy had been taken away.

"Okay... I'll go back then." It was clear Shirley was very reluctant, but in front of everyone, Shirley, who pretended to be a good student, obviously couldn't do something as outrageous as not coming home at night, especially disappearing with me—that would definitely cause a huge uproar.

"But before we go home, Shirley has one last request..." Shirley paused slightly, lightly touching her lips with her snow-white fingers. Her cherry-blossom lips seemed more delicate and beautiful than any flower.

"...Kiss Shirley." Huh? This unexpected request left me momentarily at a loss. Although we had already crossed the line, this act of expressing love was, in a sense, more embarrassing than indulging in primal instincts, especially on a busy street.

...Wait, Shirley probably doesn't like me. To her, I'm just an object of her amusement and a convenient tool for satisfying her sexual desires.

Although we'd talked about being lovers, it was just a facade. The word "slave," which Sherry initially used, was more fitting for my position; I was basically treated like a servant.

So why the sudden request for a kiss…? While my mind was in a daze, Sherry didn't speak, but simply closed her eyes gently, her long eyelashes seemingly trembling slightly.

The setting sun bathed her face in a golden glow, creating a sacred beauty.

…This was too cunning. She always had such a haughty air, but now she looked so pitiful, making it impossible for me to refuse.

My heart raced, my face flushed, and I reluctantly and quickly touched Sherry's lips to the ground.

Although it was only for a moment, Shirley's body temperature was clearly felt, spreading like a warm current throughout my body.

I nervously looked around. Fortunately, as it was getting late, the amusement park was no longer as noisy as during the day. However, I was still witnessed by two female tourists who looked like college students. Their whispering voices stimulated my sense of shame.

...Oh no, we're definitely being mistaken for a silly couple openly flirting.

I groaned inwardly, quickly turning my face away to hide my flushed cheeks, and tried to speak in a stiff voice,

"Are you satisfied now? Let's go home." And so, Shirley and I started our journey home, but only for the short distance from the amusement park to the station.

To avoid attracting attention, we agreed beforehand to travel separately on the way back. Shirley, with her ample allowance, could enjoy a smooth and comfortable taxi, while I, strapped for cash, had to squeeze onto a sardine-can-like bus.

Incidentally, I've repeatedly protested to my parents about the unfair distribution of allowances, demanding an improvement in this unequal distribution, but they always insist on using academic performance and daily behavior as the standard, rejecting my reasonable requests without explanation.

I watched my shadow, stretched longer by the setting sun like a lump of dough, as the events of the day swirled in my mind, leaving me in a state of turmoil.

Shirley's words at the pavilion this morning, "She clearly loves her brother so deeply"... she must have just been teasing me.

But how do I explain her earlier initiative to kiss me?

The reason Shirley made love to me was probably just because I was the closest man to her, and she would never reveal her secrets, making me a convenient outlet for her sexual desires.

And given Shirley's usual domineering attitude towards me, it's hard to imagine she has feelings for me.

Yet, the occasional glimpses of her shy side stir up ripples in my heart like a stone thrown into still water.

Shirley remains unwilling to reveal her true feelings; will this ambiguous and twisted relationship between us continue like this...? "Why do you look like a nude statue, lost in thought?" Shirley's voice suddenly interrupted my thoughts, so I answered casually.

"...I was just worried about the economic situation in our country." "Brother already used that excuse this morning." Oh no, thinking back, that's true.

How could my clever sister be fooled twice by the same excuse?

And to be precise, Shirley only stopped pursuing it this morning because of that excuse.

"Tell me honestly, what are you thinking, brother... Is it about the mistress?" Shirley moved closer to me, her pretty face full of curiosity, determined to get to the bottom of it.

I realized I couldn't keep up the pretense any longer, and deep down I also wanted to find an opportunity to ask.

"I was thinking..." I took a deep breath, making my final decision.

"...What exactly is our relationship now?" "Uh..." Shirley paused slightly, then asked in a questioning tone.

"What do you think, brother? Siblings?" "That's true, but it's not just that." "Beastly brother and flesh-slave sister?" "Can you be serious?" "Lovers?" "That's just your pretense. You've never liked me, have you?" "Is that so... Brother, that's what you really think... You're right." A complex expression appeared on Shirley's face, whether disappointment or relief, I couldn't tell.

She looked away and continued in an almost inaudible voice,

"That's right, we're just 'lovers in name only'... Maybe this is the best choice for us." After saying this ambiguous sentence, Shirley seemed to be hiding something and quickly turned around and walked away.

Only her jet-black hair remained fluttering in front of my eyes.

"Hey, wait a minute!" I hurriedly chased after her back, wanting to ask her what was going on.

Just then—"Yang, Shirley…?" A strange voice suddenly came from behind me. I subconsciously turned around and found a girl about the same age as Shirley staring at us with an incredulous expression.

...Could it be that we were seen by someone Shirley knew?

5 "Yang, Shirley…?" A strange voice suddenly came from behind me. I subconsciously turned around and found a girl about the same age as Shirley staring at us with an incredulous expression.

"Lin Ling, what a coincidence, I didn't expect to meet you here," Shirley replied calmly, showing no sign of panic.

At the same time, a warm, sunny smile appeared on her face, but knowing Shirley's true nature, I knew in my heart that this was just a 'masked smile' when facing strangers.

"I'm going to that photography equipment store nearby... And this is..." A strange girl—whose name I think was Lin Ling according to Shirley—looked at me suspiciously, like a security guard in a luxury hotel facing an unidentified intruder.

Oh no, I've been suspected after all.

That's to be expected, isn't it? Young men and women going out together on weekends are generally assumed to be a couple.

Telling her we're siblings doesn't seem right either; what kind of high school siblings stroll around so intimately?

"This is my brother," Shirley said without any regard for my feelings, revealing the truth without hesitation.

Hey, is it really okay to say that?

"Brother... and you two are..." The girl's face clearly showed suspicion and confusion.

Am I about to be exposed?—I inwardly groaned.

"Well, we're going to stay at a relative's house tonight, and my parents want us to come along," Shirley lied without batting an eye. True to her reputation as a two-faced top student, she lied without batting an eye.

"Oh, right, weren't you going to the photography equipment store? It's closing soon, you know," the girl seemed about to say something, but before she could speak, Shirley casually glanced at her watch and urged her on.

"Ah, um, I'll be going then... goodbye," the girl said reluctantly, turning away hesitantly.

She seemed to glare at me sharply before leaving. Why was I being glared at by a girl I didn't know?

Watching her retreating figure, I wiped the sweat from my brow and secretly breathed a sigh of relief.

After the crisis passed, my conversation with Shirley resurfaced in my mind.

When Shirley said, "We're just lovers in name only," even if it was just my imagination, for a moment, she seemed to have a tearful expression on her face.

What did those words mean? What was she thinking? I was determined to find out.

"Shirley, about what just happened..." "Well, let Shirley think about it." Shirley placed her white, jade-like fingers on her chin, tilting her head slightly as if in thought.

It was a very ordinary gesture, but Shirley made it as beautiful as a painting... No, I was definitely not mesmerized.

Although Xueli seemed to be deliberately creating the atmosphere of "I'm thinking about it", which felt a bit artificial, but based on her serious look, she should have given me a satisfactory answer - "I suggest you try taking some Wei ○" - my expectations were completely shattered after only three seconds.

"What on earth are you talking about?" "Isn't it about my brother's occasional erection difficulties?" "No, when did I mention this?" And I'm still young, so I don't have any problems in that regard... No, although this is not something worth publicizing.

"By the way, you shouldn't take more than 100mg of ○, brother. Don't overdo it because you're all horny." "I never intended to take that kind of drug." "Also, Shirley prefers doggy style to riding." "I didn't ask you that." Don't say such provocative lines so casually in the street. It makes me involuntarily imagine—Shirley lying on the bed with her back to me, her white, jade-like buttocks… Now is not the time to think about that.

"What I wanted to say was just now…" "Ah, the taxi is here." Just then, a taxi drove towards us, and Shirley raised her voice to stop it, as if deliberately interrupting me.

After the taxi stopped beside Shirley, she quickly jumped into the car before I could react, waving goodbye to me through the window.

"I had a great time today, thank you, brother." The taxi then sped away, leaving me standing blankly on the roadside, being bombarded by exhaust fumes.

After swaying and jostling on a crowded bus for nearly an hour (a seat? Of course, there was no way I could get

one), I dragged my tired body through the front door to find Shirley already sitting at the table with her parents, enjoying a pleasant dinner. Because I was home so late, my father gave me a little scolding, lecturing me on "why can't you be like Shirley

and come home on time every day?" It was so unfair! She was the one who instructed me to go out today, and this culprit was now nonchalantly picking the small bones out of a yellow croaker… Oh well, this unfair treatment isn't new; I'm used to it.

After that, I tried several more times to find out Shirley's true feelings, but each time I was cleverly evaded.

My life as a human vibrator continued, exploited by Shirley whenever the opportunity arose. If I weren't young, I'd probably have withered like a human specimen wrapped in cloth from some ancient civilization long ago.

Although my reason was completely overwhelmed by primal pleasure during sex with Shirley, the regret afterward still lingered, and at the same time, I couldn't erase my lust for Shirley's body.

In this vicious cycle, my anxiety and unease grew day by day throughout the summer vacation.

===========================================================

I remember the main point of Einstein's theory of relativity was that relatively easy and carefree times always pass faster—or something like that, though I don't remember it very clearly.

Anyway, it feels like the nearly two-month-long summer vacation has flown by in an instant.

Although the matter of Shirley weighed on my mind, and the summer vacation wasn't exactly carefree, for students, simply 'not having to go to school' meant paradise.

Turning to the September calendar, I knew I had to say goodbye to air conditioning, cooling mats, and iced cola, and return to the oppressive classroom, pretending to listen attentively as the teachers forcefully brainwashed me. On

the first day of school, the alarm clock I'd been using for two months, as if trying to make up for the previous gap, tortured my auditory nerves with its deafening ringing, forcibly dragging me from my sweet dreams.

"...So noisy," I mumbled a complaint, rubbing my sleepy eyes, and sat up stiffly like a zombie.

The clock hands had just pointed to seven o'clock. Looking out the window, I saw that the sun hadn't fully risen above the horizon yet.

During summer vacation, when I could still sleep soundly, an overwhelming sense of loss welled up inside me.

Although I longed to let the triumphant alarm clock make its way out the window and once again make intimate contact with my soft pillow, my remaining rationality prevented this tempting thought.

I slowly changed my clothes, staggered out of my room like a drunkard, quickly washed up, grabbed a piece of bread, and headed to school.

Despite my brain's resistance, the instinct I'd developed over two years of going to school still led me to that place I least wanted to go.

Aside from the 'two' on the classroom door sign changing to 'three,' I had no real feeling of being a senior in high school.

The students were all familiar faces, and even the slightly balding, middle-aged male teacher, who always had a gloomy face as if someone owed him money, was thankfully (or perhaps not?) still serving as our homeroom teacher.

So this grumpy guy, employing his signature hypnotic tone, gave us a long, over-an-hour-long moral education session during the first class meeting of the new semester.

As for the specific content, I believe anyone with at least an elementary school education has heard similar lectures, so I

'll omit it here. In short, under the double attack of sleep deprivation and the tedious speech, I quickly slumped onto my desk and drifted into a hazy state.

After the homeroom teacher's precious speech came the big cleaning.

There were no classes scheduled for the first day of school. The only tasks were cleaning the classroom, which had been empty for two months—or more accurately, just making it look less dirty—before heading home to enjoy the last half-day of leisure.

However, as punishment for sleeping in class, I was assigned to take out the trash and do the final cleanup. So when I returned victorious, having delivered the incredibly heavy trash bag to its proper place, the classroom was completely empty, including my close friends.

"I should go home early too…" I thought to myself, lamenting my best friends' heartlessness, as I stuffed the broom, bucket, and other cleaning supplies into the rusty metal cabinet.

After finishing all this, I returned to my seat and took my bag from my desk.

"Huh? What's this?" A pink piece of paper fluttered to the ground from my backpack.

This shouldn't be mine, right? I picked it up with a puzzled look, only to find that the so-called piece of paper was actually a small envelope. The paper felt smooth to the touch and even had a faint fragrance; it was clearly a high-end item—could this be...?

I quickly hid the envelope in my desk, reflexively glancing around.

Although I knew there was probably no one else in the classroom, I still carefully searched every corner, including under the old, unused desk at the back. After confirming there was no sign of life, I breathed a slight sigh of relief and sat back down in my seat.

I carefully took out the letter as if it were a valuable artifact, my hands trembling slightly as I picked it up.

"I'll be waiting for you on the school rooftop after school, don't be late." The letter, printed with lilies, contained only this short sentence.

This...this must be the legendary one, right? A girl asks her crush out, confesses, and they embark on a rosy future together. I never imagined such a dramatic thing would happen to me.

But as for the person who wrote the letter, I have absolutely no clue. Not to brag, but I'm just an ordinary high school student, as inconspicuous as a cherry tomato among strawberries.

My looks, grades, and athletic ability are all mediocre.

Aside from my sister with her strange fetishes, no girl has ever shown me any affection—no, to be precise, Sherry doesn't like me either; to her, I'm just a servant.

If that's the case, could it be a prank by my mischievous friends?

They might have forged a letter to lure me to the rooftop, then use my embarrassing state as fodder for after-school gossip.

But those guys' handwriting is like that of overweight aunties dancing the samba—bloated and distorted—they couldn't possibly write such neat characters on letter paper.

So, this letter really was written by a girl? But what if I fall for it? I probably won't be able to stay in this school any longer.

Various thoughts swirled in my mind, and I was caught in a dilemma.

After hesitating for a long time, I finally decided to take the gamble.

After all, such an opportunity was rare. If those reckless individuals were planning to play a prank on me, I swore I'd throw them into the Mariana Trench.

So, with a mix of nervousness and anticipation, I climbed the stairs of the teaching building, my heart pounding with each step.

Luckily, most people had already left the school, and I reached the top floor door without running into anyone I knew.

I gripped the doorknob, took a deep breath, and, with final resolve, pushed the door open.

With a creak, the gray concrete bricks and the clear blue autumn sky unfolded before me.

Although I was somewhat prepared, thankfully, no blackboard erasers or anything like that fell from the door, and no one held up a "Prank Successful" sign to greet me.

I looked around and noticed a petite girl standing with her back to me by the left railing.

I felt like I'd seen her back somewhere before, but she wasn't someone I knew; to be precise, I didn't know any girls my age.

"...Excuse me," I hesitantly began, taking a few steps closer to her.

Talking to girls I didn't know was my worst skill; I was genuinely envious of those playboys who could strike up conversations so easily—how did those guys have such thick skin?

Although my voice was barely audible, the girl seemed to hear me.

She turned around, her smooth, medium-length hair bathed in golden sunlight. Her small face was framed by a pair of large, bright eyes, giving her a cute and lively kitten-like appearance. Her

slender legs beneath her short skirt were endearing.

While not as striking as Shirley, she was still a beautiful girl.

But what surprised me most was—"...You're from that day—" "That's right, we met during summer vacation, Yang Shirley's brother," the girl replied expressionlessly. Her skin wasn't very fair, but her healthy tan had a unique charm.

Hmm, speaking of which, hasn't she gotten darker since we first met...? Maybe she went to the beach afterwards.

I was momentarily at a loss for words. I had thought that the summer incident was a clean slate, that I could stamp it "resolved" and throw it into the trash can of my memory.

Could it be that she still suspected me and Shirley, and was planning to interrogate me about the truth in this deserted place?

Cold sweat trickled down my back.

But since I was already here, there was no way to escape.

"Did you write this letter?" "Yes, I specifically invited you here today because..." Here it comes. I mentally rehearsed how to respond to various questions, but what the girl said next completely surprised me.

"I hope you will date me." "What..." The unexpected confession left me stunned on the spot. My expression must have been as dumbfounded as an archaeologist who had just unearthed a dinosaur fossil.

Although he hadn't entirely ruled out the possibility of a romantic encounter when he received the letter, it was ultimately just a lukewarm expectation, especially since he hadn't seemed to have made a good impression on the girl during their first meeting.

So, this sudden turn of events was bound to be a huge surprise.

"I hope you'll go out with me," the girl repeated firmly, sounding serious.

Of course, he was thrilled to be confessed to for the first time, but a greater sense of unease lingered in his mind.

We'd only met twice, and he didn't even know her name.

Right, Shirley seemed to have mentioned her name before; I think her surname was Lin, but he couldn't remember her full name.

"This is so sudden! I don't even know your name." "I'm Lin Ling, and I'm in the same class as Shirley.

Is that alright? It's settled then, we're boyfriend and girlfriend starting today." "Wait a minute, that's not what I meant. We don't know each other at all, why would it suddenly..." "Is this what they call love at first sight?" Although it sounded a little exciting, why did she say such a thing with a blank expression and a questioning tone?

But now is not the time to dwell on such trivial matters.

"I mean, shouldn't we start as friends and gradually get to know each other..." "I've already gotten to know her very thoroughly." Lin Ling pulled a black notebook out of her pocket, flipped to a certain page, and began to read aloud: "Yang Yujie, 18 years old, born on October 10th, Libra, blood type AB, height 176 cm, weight 59 kg, favorite sport is soccer, most frequently visited website is cat○, usually starts washing from the left arm when taking a shower..." "Stop--" I subconsciously shouted to stop her. How did she get such detailed information, and with such astonishing accuracy... It seemed to reek of crime. It was better not to think about it too much.

Especially the last part about showering, I didn't even notice it myself. It seems I need to strengthen the security of my bathroom. I remember a few times during summer vacation I didn't check if the window was closed properly when showering; I definitely can't be careless again.

"Where did you get this information?" "It's classified." "It's so detailed..." "It's classified." "How exactly..." "It's classified." Okay, it seems she intends to keep it a secret.

With such powerful investigative abilities, if she were sent to the United States, she could probably find out everything about Obama's ancestors who chased antelopes on the African continent.

Lin Ling put the suspicious notebook back in her pocket. It was a rather large notebook, yet it was completely invisible hidden under her thin summer clothes. Could her pockets be connected to another dimension?

"Is that all? I know Yang Yujie very well." "...No, it's less about knowing and more about having your privacy exposed." "If you want to know anything about me, please don't hesitate to ask, from your measurements to the style of your bra.

Now, are you willing to date me?" Uh, you can even ask about bras? Are all high school girls these days so bold?

Although there's something strange about her, there's no denying that she's very cute.

A girl like this taking the initiative to ask me out—I might only have this one chance in my life. Normally, I should agree without hesitation.

But—"...I'm sorry." The words that came out of my mouth were rejections. Actually, I don't even know why I made this choice...no, or rather, although I know, I'm unwilling to admit it.

"So you already have a girlfriend?" "No," I answered immediately, swearing to God, this was absolutely true.

But why did that guy's image keep popping into my head?

"Really not...?" Lin Ling moved closer to me, her large, slightly upturned eyes fixed on me.

"N-really not," I stammered, looking away without any confidence.

Although it was just my subjective feeling, Lin Ling's words seemed more like a "leadership" than a "question."

I felt something was off, but I couldn't put it into words.

"Since that's the case..." Lin Ling continued to press on, and I didn't know how to answer for a moment.

Even though Shirley and I weren't really lovers, she still tugged at my heartstrings, making it impossible for me to accept Lin Ling's confession.

"I'm sorry, at least give me some time to think about it," I finally uttered this clichéd excuse, knowing it was just avoidance, but at this moment, saying it was my best effort.

(You really are...?) Lin Ling muttered something to herself, then lowered her head in silence.

Her bangs obscured her expression... Oh no, did I make her cry? Just as

I was feeling a bit lost, Lin Ling suddenly looked up.

She wasn't crying; to be precise, there wasn't even a trace of pain or resentment on her face.

I didn't know if it was because of her strong personality or something else.

"Then I'll wait for your reply. I'll never give up!" Her eyes gleamed with a competitive light as she stared intently at me, declaring loudly before quickly running towards the exit and disappearing behind the door.

What a strong girl—watching her petite figure disappear into the distance, I could even feel a chilling atmosphere. But in the next instant—"Thump—Ah!" A sound like a heavy object rolling down the hallway echoed, mixed with a girl's cute scream.

—Could it be...?

I rushed to the stairwell and found Lin Ling, who had fallen on the lower steps, helping herself to her feet, her clothes covered in dust.

"Are you... alright?" I asked with concern.

The sound of her fall was quite loud; it wouldn't be surprising if she had to be carried to the hospital.

Although her knees were red, she didn't seem to be seriously injured.

"...I will never give up!" Lin Ling looked up at me, seemingly to cover up her mistake, and declared loudly again.

But upon closer inspection, I could see that her previously competitive eyes were glistening with tears, and her previously expressionless cheeks had turned slightly red.

(Why are all the girls who approach me weirdos...?) Lin Ling fled the scene like the wind, completely oblivious to the fact that she had just made a spectacular tumble down the stairs.

I muttered to myself blankly, of course, no one would answer my question.

That night, in Shirley's room.

Shirley lay sprawled on her bed, completely naked.

No, to be precise, she was wearing black stockings, which made her thighs appear even longer and more slender, creating a striking contrast with her fair skin, even more provocative than being completely naked.

Her flawless back, like a piece of jade, gleamed with an ivory sheen under the soft lighting.

Even the most intimate parts were on full display. Beneath the lovely light peach-colored chrysanthemum buds, the delicate labia, like flower petals, were already beginning to secrete nectar, drawing a glistening line along the base of her thighs.

"Brother, hurry up and give your penis... to Shirley," Shirley urged in a sweet voice, slightly twisting her hips.

No one could possibly imagine that the academically excellent and gentle Shirley would have such a lewd side.

Ever since Shirley expressed her preference for doggy style on the way back from our last trip to the amusement park, we've occasionally used that position during sex... Initially, I was completely forced into it, making my sister assume such a lewd position, and the feeling of being violated from behind made me feel intensely guilty—although there's no fundamental difference between me and Shirley taking the active riding position, and from the moment we had a physical relationship as siblings, I've already failed as an older brother—I still can't completely let it go.

"We can't always let Shirley take the initiative, the older brother should show some manliness too" (Shirley said).

Although I personally don't think having sex with my sister in doggy style counts as manliness, now that the superior-subordinate relationship is completely established, I can't resist Shirley's words, so the current situation naturally arose.

"Hurry up, does brother like to play around? You're so mean!" Shirley's patience seemed to be reaching its limit. I looked at her flawless body, like a goddess, and involuntarily swallowed, pressing my throbbing, slightly aching penis against the entrance of her honeyed passage.

"...Is it really okay?" "What are you hesitating for, brother...fill Shirley's little hole with your big penis." I made up my mind and slowly thrust my hips into Shirley's honeyed hole.

The glans parted the petals and pushed in without any hesitation—no, rather than me inserting, it was more like Shirley's honeyed hole actively swallowing my penis.

Soon my penis was completely inside, and I could feel the glans pressing against a warm, soft mass of flesh.

"So amazing... Brother's penis... it's all the way in..." Sherry, penetrated from behind, breathed heavily, letting out muffled moans, a trickle of saliva running from the corner of her mouth onto the sheet.

Sherry's honeyed hole tightly enveloped my most sensitive spot; the urge to ejaculate surged like a raging tide the moment I entered. I paused, desperately trying to suppress the urge to ejaculate immediately.

"Sherry's nipples are already so hard..." Sherry grabbed my hand and pressed it against her breasts.

The soft, elastic sensation immediately filled my palm.

I subconsciously increased the pressure, kneading Sherry's breasts somewhat roughly.

"So good... Shirley's breasts... Brother, harder..." Her panting voice aroused my male desire. I pulled out my penis until most of the glans was exposed at the entrance of her vagina, then thrust it in hard again, beginning a vigorous thrusting.

Every time the glans hit her cervix, Shirley's delicate body trembled involuntarily, her snow-white skin gradually turning a luscious cherry blossom color, and the beads of sweat on her body shimmered like pearls under the light.

"Eee... I'm coming, in such a lewd position... being violated from behind by my brother... I'm about to climax..." After more than a hundred thrusts, Shirley's vagina suddenly began to contract violently, her body arching backward. At the same time, I also reached my limit, ejaculating a large amount of cloudy semen into Shirley's honey hole.

The feeling of exhaustion after ejaculation made me involuntarily lean back and fall onto the bed. While the soft mattress supported my body, my head hit something hard.

"Ouch...ouch..." I rubbed my aching head and forced myself to sit up, discovering that the weapon was a rather thick hardcover book. I must have hit the corner of the book.

"What kind of book is this?" I picked up the book with a puzzled look and examined it closely. There were no words on the cover, only an elegant landscape painting. Although the paper was slightly yellowed, it was spotless. It felt more like a notebook or something than a book.

Could this be Shirley's diary? To respect her privacy, it's best not to open it... But deep down, I also had a slight desire to see it.

"Ah, that is..." Shirley noticed the notebook in my hand and seemed a little flustered for a moment, reaching out to snatch it back, but then she seemed to change her mind.

"Brother is interested in Shirley's diary?" It really was Shirley's diary, but her tone sounded very relaxed, as if she didn't care at all.

I was just about to return the diary to its owner when Sherry said something unexpected.

"Sure, if you want to see it, brother." Uh...can I see it? Generally speaking, no one wants someone else to see their diary, since it involves privacy.

Although I'm not writing in a diary, I'd be very angry if someone saw my bookmarks on my computer.

It's probably a similar reason.

"N-no, I'd rather not." Although I hesitated, I handed the diary back to Sherry.

I remember the old saying, "Do not do to others what you would not have them do to you." As a polite gentleman, I shouldn't casually rummage through other people's personal belongings.

"Don't you want to see it, brother?" For some reason, Sherry looked disappointed. This was so strange; I was acting like a gentleman out of politeness.

"It's not really appropriate to read someone else's diary so casually." "But... Sherry wants brother to understand himself better.

This diary records Sherry's preferences during sex, and Sherry also wants to try what SM feels like." "Don't say such risqué things while blushing and pretending to be innocent." "So, I hope brother can read this diary carefully and then properly respond to Sherry's request." "Thank you," I replied without hesitation, tossing the notebook back to Sherry.

I used to consider myself a relatively innocent high school student, but ever since I got involved with Sherry, I feel myself gradually falling into depravity.

If I were to step into the world of hardcore content again, there would probably be no turning back.

So this notebook is like Pandora's box, and it absolutely must not be opened.

"Really not going to read it?" "For the sake of your mental health, please allow me to solemnly refuse." "Then brother has to agree to one condition." "...Tell me." Originally, I should have been protecting Sherry's privacy, so why should I listen to her conditions? The positions are completely reversed. -- Although I had the same question in my mind, I knew that arguing with Sherry would not do any good, so I decided to listen for now.

"Take Shirley's backside too," Shirley said, a barely perceptible glint in her eyes, as if she had been expecting it.

"Backside?" I didn't react for a moment, instinctively asking back.

"It's anal sex, in English it's anal sex, in Japanese it's アナルセックス.

It refers to sexual intercourse using the anus.

Brother, don't you even know that?"... She explained it in great detail. Although I wasn't surprised by Shirley's boldness at this point, my head still throbbed.

Although I had heard of it before, I had never seen it with my own eyes, let alone done it with my sister.

"Are you sure it's okay? It's not too difficult the first time..." "No problem, Shirley used a dildo to train before." Right, speaking of which, Shirley was still a virgin when we had sex for the first time because she used a dildo to masturbate anally.

"But..." "I cleaned it thoroughly beforehand, so there's nothing to worry about." "..." So I lost all my reasons for objecting.

This girl must have planned this all along, she must have.

"And---" Shirley covered her mouth with her hand and said teasingly.

"--Brother's got hard again, you want it too, don't you?" Hearing Shirley's words, I realized with embarrassment that my previously limp penis had somehow become proudly erect again.

Since Shirley hadn't put on any clothes afterward, her beautiful body was constantly in front of me, so it was inevitable that I would have a male instinctive reaction.

I didn't know whether to be happy that I was healthy or to lament that my instincts were too honest.

Shirley lay on the bed in the same position as before, her small anus completely exposed before my eyes, seemingly unable to accommodate my penis no matter how I looked at it.

"I'm going to go in, so tell me if it hurts." "Brother is so gentle.

But it's okay, brother, just use Shirley's anus to release your lust." "...I don't have any lust at all," I retorted reflexively. This girl never forgets to play dumb.

But thanks to her, my tension eased a little.

I made up my mind, pressed the tip of my penis against her anus, and slowly thrust it in.

The folds of her anus radiated outwards, gradually swallowing the head of my penis.

"Mmm..." Shirley let out a low moan, perhaps from the sudden penetration.

Her body trembled slightly, and her full breasts swayed.

"If it hurts, don't force yourself." "No, it's a little swollen... but it feels good... keep going... almost there." With Shirley's insistence, I continued. The moment the thickest part of my penis entered her anus, the sphincter's resistance suddenly weakened.

"Ahhh..." Most of my penis was buried in her anus in one go.

Every crease stretched to its limit, her anus dilating like a volcano.

Seeing that Sherry's anus seemed about to burst open at any moment, I reflexively tried to pull out my penis, but Sherry's buttocks followed.

"No... Sherry's back... I want you to take it too, brother." "But, but it's too much... It looks like it's about to burst." "It's okay... Sherry exercises there often..." Seeing Sherry looking up at me with moist eyes, I couldn't say anything more.

Moreover, the pleasure from violating my sister's anus had left me with almost no rationality.

"Then I'll just go in all at once, just bear with it." "Mmm..." Sherry started to take deep breaths to relax her sphincter muscles a little.

In time with Sherry's breathing, I thrust into Sherry's anus in one breath.

My penis went in smoothly to the hilt unexpectedly.

"Eee...it's in...brother's huge cock...is inserted into Shirley's anus..." (So tight...) I was secretly surprised. Although Shirley's vagina was also tight, the pressure from the rectal mucosa was incomparable, as if my cock was being gripped tightly.

"Finally...Shirley's back is also given to brother..." Shirley turned to look at me, her face flushed, showing an expression mixed with pain and pleasure.

"Do it the way brother likes...move, punish Shirley's lewd body properly..." Shirley's sweet plea diminished my rationality like an anesthetic.

I tried to begin with small, gentle thrusts. The layers of intestinal flesh clung tightly to my glans as if unwilling to let go of my penis, and each insertion felt like prying open a tight crevice, giving my sensitive areas an exquisite stimulation. A surge of

intense pleasure, completely different from intercourse, rushed from our point of contact to my brain, feeling as if my nerves were about to be burned out. I involuntarily increased the speed of my thrusts, and my desire to ejaculate gradually rose.

"Shirley's inside is so tight... I'm about to cum." "Cum... brother's semen... all for Shirley... Shirley, with your wanton anus... climax together with brother." With Shirley's intermittent moans, I ejaculated my second load of semen into her rectum.

=======================================================

I hastily threw on some clothes and collapsed weakly onto the bed in a spread-eagle position.

Shirley suddenly pressed her body against mine, her scent a mixture of slightly sour sweat and body fragrance wafting into my nostrils.

Worse still, Shirley was completely naked—no, I should say naked in stockings.

A certain part of me involuntarily reacted again.

"At least you should wear some clothes," I said, looking away from Shirley, my face burning.

"Your brother has seen every inch of Shirley's body, what are you pretending for now?" "..." I couldn't answer for a moment. Although what Shirley said was true... it was during sex, and afterwards she was still in front of me like a newborn (not counting stockings), which was too stimulating for me. "

But since your brother has spoken..." Shirley picked up a towel from the bedside and wrapped it around herself. Although most of her skin was covered, her full breasts made her chest stand out, and her long, white thighs were exposed between the towel and stockings, which in some ways was more suggestive than being completely naked.

"Is this satisfactory, brother?" Shirley smiled seductively. This girl definitely knew men's preferences and was deliberately teasing me.

But since she had covered her body, I couldn't say anything more.

"Then let's talk about something serious. Brother, you should keep it from Shirley, right?" My heart suddenly skipped a beat, and the events that happened on the school rooftop during the day flashed through my mind.

"Brother was thinking 'something bad' just now, wasn't he? Confessing would be a lighter punishment." "Although I don't think I've done anything wrong, let me hear what kind of punishment you're suggesting." "How about making brother eat a pound of ghost peppers? It's because Shirley is soft-hearted." "Is that what you call soft-hearted? That's inhumane! And this is clearly a miscarriage of justice!" "Brother, you clearly smell another girl on you. Shirley smelled it immediately.

Brother must have been cheating on you." "Are you a police dog?" "If a girl gets within a meter of brother, Shirley can smell it.

That's one of my 72 special skills." *Retracts previous statement* This guy is even better than a police dog. By the way, what are my '72 special skills'?

"The evidence is irrefutable, brother, you'd better admit it sooner rather than later," Shirley stared intently at me, questioning me in an unyielding tone, as if she might bring out the pork chop rice at any moment.

"It's not what you think, it's just..." "Just what?" Shirley urged me impatiently to continue.

"...A girl during the day...said she hoped I would date her." "Really..." A strange smile appeared on Shirley's face, but there was no smile in her eyes at all; instead, it was as if two flames were quietly burning inside... How terrifying.

"That's great, brother, you've become popular with girls." "Ouch, ouch, ouch...Don't pinch my arm so hard while you're laughing!" "This is the pain of love." "No, I think it's just pure torture." Shirley released her hand from my arm.

Ah, it's even bruised! Do

n't you know how to hold back at all? "Who is that girl?" "Just to be on the safe side, let me ask you first. What do you plan to do once you find out?" "I won't do anything..." Shirley said without hesitation, with a saintly smile.

"Just wipe her off the face of the earth with a machete." "That's terrifying! Are you Ryugu ○ Nai?" "Don't worry, 49.13% is a joke." "How did you arrive at such a precise percentage? By the way, is more than half of it serious?" "Don't worry about the small details. The important thing is who that girl is." "I think it's a matter of life and death." "Who—is—" Shirley kept pressing, her voice gradually approaching freezing point.

If she doesn't tell me soon, I'll be the first to be in danger.

And Shirley wouldn't really kill someone... right?

I can only believe that now.

"It's the girl I saw at the amusement park." "Eh, that can't be right, because Lin Ling should be..." Shirley looked surprised, as if she wanted to say something, but for some reason, she suddenly changed her mind halfway through.

"...Shirley means, you two just met once, how could you suddenly propose dating?

Is it really Lin Ling? Did your brother use some underhanded means to force her?" "How could I be that kind of person? Besides, at such close range, it's impossible to mistake someone else, right?" "At such close range?" Shirley seized on my unintentional slip of the tongue, her eyes flashing with a predatory glint.

"N-no... we just talked face-to-face for a while, and... nothing inappropriate happened." I didn't dare look Shirley in the eye, answering somewhat flusteredly.

Why was I so nervous when I hadn't done anything wrong?

"So, what did your brother say? He didn't agree, did he?" Shirley finally touched on the most crucial question, her tone carrying unparalleled pressure.

If I had answered "yes," it would probably have been a niceboard right then and there.

"No... I just told her to give me some time to think about it." "Why didn't you just say no on the spot, brother? That kind of vague answer is the worst. You already have Shirley as your lover..." Shirley was originally blaming me incessantly, but her voice stopped abruptly at this point. If it were the old her, she would have definitely said something like, "You already have Shirley as your lover."

But ever since I seriously asked her about the relationship between the two of them on the way back from the amusement park, Shirley had been avoiding the question. But just now, in her haste, she stepped on a landmine.

And I can't explain what kind of feelings I have for Shirley. Her place in my heart is growing day by day.

But whether this is love, I myself can't be sure.

If we truly loved each other, perhaps we could disregard so-called morality and ethics.

However, the reality seems to be different. There is no bond called 'love' between us; we are merely illicit siblings who have violated taboos, simply indulging in promiscuous acts with each other's bodies.

In that case, perhaps it's better to end this twisted relationship sooner rather than later.

"I said, Sherry." "...What is it?" Sherry responded absentmindedly, her previous energy completely gone from her voice.

"Lately, I've been thinking that if things continue like this... it's not good, so..." I carefully chose my words while observing Sherry's reaction.

Halfway through my sentence, Sherry's slender body suddenly trembled.

"...Does that mean, brother, you hate Shirley?" "No, absolutely not." At least on this point, I can say with absolute certainty that I do not hate Shirley, and I never will.

But whether I love Shirley—not as a sister, but as a woman—"If that's the case, then why..." Shirley's tone became a little agitated.

"Although I don't hate you, because you're my sister... I still can't see you as a lover, and you don't really like me, do you?" "No... Shirley actually feels for brother..." Shirley seemed to want to confess something, but in the end, she couldn't form a complete sentence. She silently lowered her head.

An awkward atmosphere enveloped us, with only the monotonous ticking of the clock constantly striking our eardrums.

"...Brother, please go out first. Let Shirley think about it." After a long silence, Shirley finally spoke, her soft voice seeming as if it might dissipate into the air at any moment, completely unlike the energetic Shirley she usually was.

"Then I'll...go back to my room." I felt relieved to escape the suffocating atmosphere, but at the same time, I was still a little worried about Shirley.

I hesitated for a moment, but in the end, I could only choose to leave.

"You should go to sleep early too," I whispered before closing the door.

Actually, I knew that such shallow words meant nothing to Shirley. Rather than showing concern for her, it was more of an act of escapism on my part.

Shirley didn't answer, still sitting quietly on the bed with her head down. In the last moment, her petite body reflected on her retina seemed a little lonely.

A week passed in the blink of an eye. During this time, Shirley hadn't made love to me; in fact, you could say she was deliberately avoiding me. She

barely spoke to me unless absolutely necessary, and our relationship seemed even more distant than before I discovered Shirley's secret.

This was the normal relationship between high school siblings, and while I was being subjected to Shirley's sexual advances, I had longed for this kind of peaceful life.

But now that this was actually happening, for some reason, I was always restless; Shirley's image kept swirling in my mind.

To dispel my restlessness, I went to play soccer with my friends on Saturday morning, not returning home until midday.

My parents were working overtime as usual, and Shirley was probably out too, so I could spend the day undisturbed and do as I pleased.

Lunch? Of course, I couldn't possibly make it myself, but it's okay, there's plenty of Kangfu in the kitchen cabinet.

Just as I was casually opening my front door, pondering the insignificant question of whether to choose spicy beef or scallion-braised pork ribs for lunch, a

melodious voice, like a gentle spring breeze, greeted me. "--Welcome back," a sweet voice drifted into my ears.

"…………" The person suddenly appearing before me nearly made my jaw drop. I stood frozen like a rusty robot for a full ten seconds before my voice finally returned to normal, and I stammered,

"...Why, why are you wearing these clothes in my house?"

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