Cow Sister

I quietly opened the door and slowly walked towards the room, which exuded a youthful atmosphere.
Her figure lying on the bed was so alluring, radiating an irresistible, sinister aura. Her round, firm breasts, plump buttocks, and incredibly slender waist—even from behind, she inspired a lustful desire to rape her.
I quietly approached her, gazing at her back, swallowed hard, and stretched out my trembling hands…
"Ah..." I was suddenly startled by the girl who jumped up in front of me. "Hahaha, brother, you finally got scared by me, hahahaoooooo!" I looked awkwardly at the girl in front of me—my sister—and said helplessly, "Okay, okay, I admit it, I lost this time. But we're going to be late for school, can you at least put your clothes on first!"
Yes, at this moment, my sister was only wearing a tank top and a tight thong. And when she was jumping around, the tight thong had become a thin string, and it had even been pulled up to her vulva.
Okay, I admit that staring at my sister's vulva was a very bad thing, so I quickly turned around and left my sister's room. The moment I closed the door, I heard my sister's triumphant voice: "Haha, brother, you're still so shy!" I could only helplessly endure my sister's ridicule. What can I do? I've never seen a woman's body except for actresses in AVs, and I'm a complete virgin who's never even masturbated!
I sighed helplessly, took the freshly cooked food from the kitchen to the table, and started eating, knowing what was about to happen was not something I could see.
Sure enough, my sister started pacing back and forth behind me, nearly naked, yelling things like, "Oh no! I forgot to bring my bra in from the balcony!" and
"My breasts have gotten even bigger; even my I-cup bra is a bit too much!" I could only eat in silence.
By the time my sister came for breakfast, I had already started washing the dishes, packing my bag, taking my shoes out of the shoe cabinet, and then, dressed, I sat on my bicycle waiting for her to come out.
"Brother, let's go!" My sister jumped onto the back seat, making the bicycle wobble violently.
I was a little puzzled. She hadn't seemed to grow much lately, so why was she so heavy? Had it all gone to her breasts?
Thinking this, I secretly glanced at my sister's ample breasts. Hmm, they did seem to have gotten bigger. Feeling a stirring in my lower body, I quickly recited a few purification mantras to calm myself down. Having a sister like this is truly tragic—I can only look, not touch!
I rode my bike to school, parked it, and my sister and I went into the tiered classroom. All the boys' eyes were fixed on my sister; after all, her I-cup bra size was no joke, very attractive to men. And most of her clothes were provocative and revealing, so the boys at school gave her the nickname "Sexy Cow."
As usual, my sister and I went to the last row and sat side by side. I sat down and quickly lowered my head to sleep. Now that my sister and I are seniors, we don't need to worry about the future. Of course, if you had a beautiful woman dressed provocatively sitting next to you every day, but could only look and not touch, I'm sure you'd feel the same way. Besides, not everyone can withstand the murderous gazes of those boys in the classroom. Anyway, I think it's better to chat with the Duke of Zhou (a figure in Chinese mythology associated with dreams). I
slept until school was over. My sister woke me up, and I rode my bike with her away from school.
We got home, ate dinner, and then sat on the thick carpet with my sister to watch TV.
My sister was lying on the pillow watching the show, which wouldn't normally be a problem, but today she was only wearing a miniskirt and a thong. She'd mentioned this morning that the thong had become a thin string pulled up to her vulva, leaving it completely exposed. I wondered why she hadn't straightened her thong. Her vulva was swaying in front of me, and my penis started to grow larger, until it was about 30 centimeters long.
I started breathing softly, and my sister seemed to hear me. Whether unintentionally or seducing me, she raised her buttocks higher, the hem of her miniskirt sliding up her back, and her legs spreading wider, allowing me a clear view of everything.
I reached out, somewhat uncontrollably, and slowly began to caress my sister's plump, high buttocks.
"Clang!"
A sound snapped me out of my lecherous daze. I looked to the side and saw that I had accidentally bumped into the cup next to me when I reached out, and it had fallen to the floor.
I clicked my tongue, unsure whether to feel relieved or regretful. I turned to look at my sister and saw her looking at me with her beautiful, big eyes, blinking. Only then did I realize what had happened and quickly returned to my room.
I collapsed onto the bed, inwardly berating myself. Damn it, how could I look at my sister like that? And I even got aroused!
Thinking this, I punched my still-erect penis hard. Soon, I felt the consequences. I started rolling around on the bed, clutching my genitals. This shows that hitting your manhood is wrong, especially when the corpora cavernosa are engorged with blood.
I fell asleep amidst deep self-reproach.
I rubbed my sleepy eyes and headed for the bathroom. I was incredibly frustrated; yesterday, I felt so guilty for peeping at my sister's vulva that I'd even forgotten to go to the toilet.
I flushed the toilet, went to the living room, and stopped pulling up my pants. The sight before me made my head spin again.
My sister was still in front of the TV, in that same alluring pose, but this time, she had her eyes closed and was asleep.
I slowly walked behind her and gently reached out to touch her plump buttocks. Looking at her, there was no reaction. I increased my intensity. "Is this what a girl's butt feels like?" I thought.
I reached my trembling hand towards her breasts and placed it there. Her nipples were erect; it seemed she was responding even in her sleep. This immediately made my already half-erect penis stand up. The head of my penis brushed against her vulva, and the wonderful sensation almost made me ejaculate.
I started trying to insert my penis into her tender vagina. After slipping away a few times, I lost patience. I moved my penis away from her vagina, used my hand to help align it, and then thrust in forcefully. My large penis entered her wet vagina.
Suddenly, I felt that I had broken through some obstacle during insertion. My sister also cried out in her sleep. I quickly pulled my penis out and looked at it. There were traces of blood on it. My sister was a virgin! Judging from the provocative and revealing clothes she usually wore, I thought she already had a boyfriend. I never expected that she was still a virgin.
This discovery excited me immensely. I forcefully inserted my penis again and thrust it in hard. This was my first time entering a woman's body. I didn't care about the nine shallow and one deep techniques; I just wanted to penetrate her.
Soon, I ejaculated on my first time after losing my virginity, but my penis was still erect. I gently pulled my penis out of my sister's tender hole, spat on it, and then smeared some of the lustful fluid that I had produced while my sister was asleep on her anus. I aimed my penis at my sister's anus and thrust it in halfway. My sister's delicate little anus formed a ring around my penis, showing a slight tendency to crack.
I felt the folds of my sister's rectum gently rubbing against my penis. Just that brief moment when I had inserted halfway, I, having just lost my virginity, almost ejaculated from the intense pleasure. I had only ever seen male actors in AVs experience such pleasure before, and now I could finally taste that pleasure myself.
Feeling the narrowness at the tip of my penis, I pulled it out a little, then with a burst of energy, thrust it all the way in.
"Ah!"
In the midst of my excitement, I suddenly heard my sister scream. I looked up and saw her staring at me with her beautiful, large eyes, glistening with tears. I was momentarily stunned. Why was she awake? I looked down at my penis, now embedded in her anus, and saw traces of blood beside it. Apparently, I had used too much force, and her anus had split open.
I looked up at my sister again, a sense of resolute determination washing over me. Since I had already done it, I might as well continue. At worst, I could enjoy myself and then turn myself in at the police station.
Thinking this, I slowly began to move my penis inside my sister's rectum, grabbing her I-cup breasts and starting to thrust vigorously.
My sister probably didn't expect me to continue even after she discovered me; her face turned even redder, as if she wanted to resist, but she couldn't muster any strength because I was constantly kneading her breasts and relentlessly pounding her anus.
After a short while, my sister succumbed to my fierce onslaught, beginning to moan softly.
"Ah, brother, ah, don't be so rough, ah, I can't take it, ah, ah, ah..."
My sister's eyes gradually filled with mist, and her moans grew louder.
Perhaps because I had already ejaculated once, I didn't feel any urge to ejaculate after fully penetrating her. After about twenty minutes of this, my sister started rolling her eyes back.
"Ah, brother, no, harder! Ah, I can't take it anymore! Ah, I can't take it anymore!"
Feeling the fierce grip inside my anus, I looked up at my sister. She had fainted. Suddenly, I felt a wetness on my leg. I looked down and saw that my sister's tender hole had actually squirted.
Because of this momentary distraction, I could no longer withstand the fierceness of my sister's anus and quickly surrendered.
Exhausted, I quickly fell asleep holding my unconscious sister .
Chapter Two: My Seemingly Innocent Sister
(Hmm, I think I did something to betray my sister yesterday.)
(Oh no, I think I raped my sister yesterday!!!)
I quickly opened my eyes, jumped off the bed, and ran towards the living room...
Wait!!
I suddenly stopped on the bed, but didn't notice that one of my feet had already run out of the bed's reach...
"Ah!!!!"
I was now on the floor in a perfect "X" shape.
"What on earth is going on? Was yesterday just a dream?"
Thinking that raping my sister yesterday might have been a dream, I ignored the pain in my body. All my strength seemed to drain away, and I went limp. I felt a deep sense of regret…
"How the hell am I still a virgin?!"
Although I felt regretful, I was thankful I hadn't slept with my sister; at least I didn't have to turn myself in and go to jail.
I rubbed my nose, which had hurt from the fall, with one hand and opened the door with the other. A dream is just a dream. Real life had to go on; it was time to get up and cook.
I opened the door and immediately smelled an enticing aroma. Following the scent to the dining room, I saw a table full of food, fragrant and vibrant. I took a bite… mmm, it was delicious.
Just then, I heard some noises coming from the kitchen next door. I quickly opened the kitchen door and saw my sister wearing an apron and cooking. Underneath the apron, she was still wearing the same tank top and miniskirt from yesterday. Her thong was still pulled aside like a thin string. It seemed nothing had really happened yesterday, otherwise my sister wouldn't be cooking for me so calmly.
"Sister, why are you so diligent today? Getting up so early to cook. I thought you were going to ask me to cook for you again."
"Can't I get up this early to cook? Hmph, you're lucky today, brother, I'm making breakfast."
My sister glared at me and then said with a proud tone.
"Yeah, yeah, you're definitely lucky. Who's so lucky to make breakfast look like lunch?"
"Of course... uh, brother, you're doing this on purpose, aren't you? You're subtly teasing me!"
After discovering that I was secretly teasing her, my sister stomped on my foot hard, and I could only grimace in pain.
"Alright, all done! Come on, brother, help me put this last dish on the table."
I helped my sister carry the last dish to the table, stood up, and looked at it carefully. Loach, oysters, snake meat, donkey meat, quail...
Uh, it seems like all of these are aphrodisiacs!
"Little sister, why are all these aphrodisiac dishes? Are you planning to seduce your brother...?"
I joked.
"Brother, do you think I'm the kind of bad girl who would seduce her own brother? Waaaaah, brother, you're bullying me, waaaah..." My sister blinked her pure and innocent eyes, which quickly welled up with tears. I started to panic, but I didn't know how to comfort my crying sister.
"Okay, okay, brother will eat right away, brother will eat right away..."
"Really?" My sister continued to look at me with her big, teary eyes.
"Really." I looked at my sister seriously.
"Alright, let's eat." My sister hummed a little tune, ran over and sat down next to me, her previous sad expression completely gone. For some reason, I had a feeling I'd been tricked.
Sitting at the table, looking at the seemingly aphrodisiac-like food, I started to devour it.
When I was so full I could barely eat anymore, leaning back in my chair and burping, I saw my sister once again gazing at me with those pure, innocent eyes, her cherry lips parting slightly: "Brother, are you full?"
"Yes, I'm full. It was so delicious. I didn't expect you to be such a good cook." I said to my sister between burps.
"Shouldn't we talk about our business?" A sly glint appeared in my sister's eyes.
"Uh? Our business? What business?" I suddenly had a bad feeling.
"Brother, have you forgotten?" My sister's eyes began to mist over again, "What you did to me yesterday!"
"Oh, uh!!!" Did I really have sex with my sister yesterday, and even deflower her?
"Brother, have you really forgotten? Then I'll show you the evidence." My sister immediately raised her plump buttocks towards me and parted her labia to reveal the semen and vaginal fluid hidden inside. There were also traces of blood.
"Sister, let me explain, it's not like that!" I started to panic. I saw in the kitchen that there didn't seem to be any semen outside my sister's vagina. Could it be that I dreamt last night that I ejaculated
inside her without leaking a single drop? "How do you explain that? You went all the way in yesterday, all the way into my uterus, and then you deflowered me! How am I supposed to get married now?" My sister cried as she showed me her still-small opening.
"Then how do you want me to make it up to you, sister?" I was starting to feel dejected. With all this irrefutable evidence in front of me, I didn't know what to do. I just hoped to make it up to my sister and get her forgiveness.
"Make it up?" My sister suddenly turned her head, her eyes darting around. "Sure, brother, are you really going to make it up to me?" I
nodded frantically. Of course, this was the only way to get my sister's forgiveness.
Seeing me nodding frantically, my sister chuckled, "Brother, don't worry, I won't tell the police. After all, you're my brother. But you said you wanted compensation, okay? As long as you let me be your sex slave, I promise I won't tell anyone."
"Okay, okay, okay... Uh! What?! You want to be my sex slave!!!" I couldn't believe it. My sister not only wouldn't tell the police, but she also wouldn't blame me. She actually wanted to be my sex slave!!!
"Yeah, brother, don't you feel really hot right now?"
My sister's reminder made me suddenly feel sweaty all over, my lower abdomen felt like it was on fire, and my penis had once again become a 30-centimeter-long behemoth.
"Brother, to be your sex slave, I secretly put a little bit of a strong aphrodisiac in your food!" My sister's words made me incredulous. I suddenly felt like I had been tricked.
"Since you did it on purpose, then I won't be polite." I struggled to stand up, straightened my penis, aimed it at my sister's parted vulva, and thrust it in hard.
My sister started moaning, "Ah... Brother, no, Master, it feels so good... Ah... Ah..."
I thrust in and out forcefully, each time going all the way in before pulling out. Each time I pulled out, I could see my sister's juices flowing out along with my penis. I never imagined my sister had so much juices. Damn, it seems my sister really is a slut. Since she's a slut, I don't care anymore. I slapped my sister's fat buttocks hard with both hands, saying, "Damn, sister, you really are a slut. From now on, I won't call you sister anymore, I'll call you bitch."
My sister's juices splattered everywhere from my penetration. She mumbled intermittently, "Ah...ah...this little bitch isn't a slut, she's a complete and utter whore...ah...ah...being fucked so...so good by her own brother...ah...ah...master, harder...this little bitch is going to...going to cum...ah..."
Hearing my sister call herself a whore, a bitch, I couldn't help but increase my strength. At the same time, I felt my sister's vagina twitching incessantly. I started fucking her wildly, and my sister kept moaning. Finally, when my sister's vagina was twitching incessantly during her orgasm, I couldn't hold back anymore and ejaculated all my semen into my sister's uterus.
I released my sister, leaving her lying helplessly on the ground. I leaned back in my chair, my penis still erect; the aphrodisiac effects hadn't worn off yet. I spread my legs towards her and said, "Little bitch, didn't you say you'd be my sex slave? Come here and suck your master."
Hearing my words, my sister slowly crawled towards me, saying, "Master... this little bitch is coming..."
Hearing her seductive, coquettish voice, I gasped for breath, my mouth agape.
My sister grasped my erect penis with both hands and then sucked it with her cherry-like mouth, sucking it tightly, making me almost ejaculate.
After sucking for a while, she looked at me with lustful eyes and said, "Master! Do you think this little slut is sucking you well?"
Hearing my sister become so lewd was truly unexpected; it seemed she was definitely a naturally lewd slut.
My sister struggled to give me a blowjob, while my hands frantically tried to tear her pantyhose, attempting to grab her large breasts.
One tear… it wouldn't budge.
Another… still no luck.
Watching me struggle to tear her pantyhose, my sister smiled slightly, her cherry-like lips trembling as she performed oral sex on me. She then untied the pantyhose herself.
I blushed, but my hands simultaneously squeezed her breasts hard and played with her nipples with my fingers, saying, "Damn! I never thought your breasts were so nice to touch, so white and smooth, they feel good no matter how I squeeze them!"
My sister reacted to my caresses, her breathing becoming louder and her cheeks redder.
I continued, "Hehe! Your nipples are actually hard… Damn! I never thought you were so slutty, that you could even feel pleasure from being violated!"
Suddenly, I went berserk, grabbing my sister's head and violently shaking it up and down, letting out low growls of "Ooh, ooh, ooh…"
Then I let out a low growl and ejaculated all my semen into my sister's mouth. She didn't waste any of it; she swallowed it as I ejaculated. Although I had already ejaculated once, I still had a lot of semen because of all the aphrodisiac food I had eaten earlier. So some semen leaked out from the corners of my sister's mouth. The way she swallowed my semen was indescribably lewd.
When I pulled my penis out of my sister's mouth, it had already gone soft. Just as I was thinking I could finally rest, my sister suddenly ran to her room and rummaged around until she found a large cardboard box. As she came out, she was saying, "Brother, use these on me later..."
When she opened the box and showed me what was inside, I was stunned. There was a whip, thin rope, an electric dildo, an enema kit, an anal plug...
I suddenly felt so innocent...
Well, because I don't have much experience writing about BDSM, this chapter might disappoint many people. But as you can see, the title is 'BDSM Lesson One,' so naturally there will be 'Lesson Two' and 'Lesson Three,' but I won't write them immediately. I'll release the BDSM lessons when I feel the time is right. So please forgive me for now.
Regarding the cuckoldry issue raised in the previous chapter, rest assured, there is absolutely no cuckoldry in this story. There is some appropriate exposure and taking advantage, but I will absolutely not compromise the last line of the heroines in this book.
Chapter 3: A Pure Man's First Lesson in Discipline
"Ahem, hello everyone, my name is Lin Zhehong. I'm completely naked from behind, with a gag in my mouth, my hands are handcuffed behind my back, and I'm only wearing a tiny thong. The slutty girl trying to keep the vibrating dildo and anal plug from falling out of her vagina is my sister, Lin Wanyue, uh, and also her sex slave."
"Okay, I admit I don't know how to discipline a sex slave, so I don't even know how to do rope bondage, which is why I'm using a thong to keep the vibrating dildo and anal plug from falling out." (囧)
"Don't look down on me, I just haven't watched many porn movies. Okay, to be honest, I've only watched sex education films. Of course, where can you find a pure man like me?!" (Currently in a state of narcissism...)
"Waaah..."
(Uh! What's that noise?!)
"Waaah..."
(So annoying, didn't you see I was giving the opening remarks for a discipline video?!)
"Waaaaah..."
(Wait, that sound... could it be...?)
I slowly turned around and saw my sister's beautiful body writhing on the bed, making "waaaaah" sounds.
I quickly ran over and squatted down in front of her, asking, "Little bitch, what's wrong? Do you want another 100ml of water? You've already added it three times! Don't bother me while I'm recording this video, okay? This will be bad for my studies later."
My sister shook her head painfully, trying to sway her head behind her back. I quickly ran behind her and saw the anal plug slowly being pulled out. I pushed it in forcefully, causing my sister to groan in pain, and asked, "Can't hold it in anymore?"
My sister nodded. I quickly picked her up and ran to the bathroom, put her on the toilet, and forcefully pulled out the anal plug.
"Ugh..."
My sister groaned, a sound that was hard to tell if it was pain or pleasure. A slightly yellowish liquid gushed from her anus, and at the same time, a stream of distinctly colored water shot out from her urethra.
Seeing this, I sighed helplessly and said, somewhat exasperatedly, "Why do you always lose control of your bladder when you release the enema fluid? Now I have to clean up, is anyone supposed to live with this?!"
After saying that, I wiped the filth off my sister, gave the toilet a quick rinse, and carried her to the bed. I removed the handcuffs and gag, but my sister was completely ungrateful. As soon as her mouth was free, she stood up and started berating me: "What's going on? I'm your sex slave! I'm your sex toy to play with at will! How can you be so soft-hearted towards me? How many times has this happened...?"
I stood there speechlessly, being scolded by my sister, and couldn't help but retort, "You're always criticizing me, but what about you? How do you know so much?!"
My sister paused slightly, then began to tremble all over; I could clearly feel her anger rising. The tears were rising rapidly, and then my sister's beautiful eyes welled up with tears. She lowered her head and began to sob: "Waaah, it's all your fault! You led me to watch those porn movies when I was little, you corrupted me! Then I started liking sadomasochistic films in eighth grade, waaaah, it's all your fault! It's all your fault! Waaah..."
I panicked a little. I remembered that I did watch a porn movie when I was in sixth grade, but it couldn't really be called a porn movie. It was more like a sex education film. My sister found it and confiscated it, which made me live in fear ever since. I never dared to watch porn movies again. So, that sex education film became the only thing I could call porn movies in my life, which led to my lack of knowledge in this area and became a painful memory for me from childhood to adulthood. (囧)
But that's not the problem. The problem is the big-breasted beauty crying in front of me. Oh my god, I've always been terrified of girls crying. When I was little, I used to fight with my sister over lollipops, and as soon as she cried, I'd immediately shove the lollipop I was already in my mouth into hers. Oh my god, I need to think of something...
"Little sister, I'm sorry, please don't cry."
(Currently sobbing...)
"Brother will try to discipline you from now on!"
(Still sobbing...)
"Brother will buy you a lollipop!"
(Still sobbing...)
"Brother promises to listen to you from now on!"
"Really?" My sister looked up, asking timidly.
"Really!" As I said that, I suddenly realized something was wrong. Looking at my sister again, she was no longer the pitiful girl she had been before. So, I knew I'd fallen for her trick again.
"Okay, Master..." My sister sat back on the bed, spreading her legs towards me in an M-shape. She took out the vibrating dildo that was still spinning inside her vagina. "Next, I'll teach you where a girl's G-spot is. Come here, put your finger inside my vagina. There's a small bump at the top of the vagina, rub it... ah... yes, ah... just like that!"
I sat in front of my sister, exasperated, rubbing the bump inside her vagina. Suddenly, I had a mischievous thought. I aimed at the bump and pressed down hard.
"Ah..."
My sister's thighs clamped down on my hand, and I felt my palm become wet. Her vagina started to twitch. Yes, my sister had an orgasm. When I pulled my finger out, a stream of fluid shot out. Yes, my sister had a squirt.
Watching my sister twitch on the bed, I felt an indescribable sense of triumph. Finally, I could get back at this girl.
"Ugh..." my sister groaned, propping herself up to sit. "Well, that concludes the G-spot training. Now I'll teach you how to train a sex slave."
Hmm, well, this world is truly amazing, especially when my sister brought that huge shelf out of her room. My eyes practically popped out of their sockets. I just couldn't understand how that enormous shelf was hidden in my sister's tiny boudoir. All I could do was marvel at how incredible this world is.
"Um, Master, this is... um... I forgot what it's called, (Author's note: I really forgot what it's called, lol. This is a suspension device used in a pornographic game I played a long time ago. It can suspend your hands and feet.)
You just need to remember how to use it. The two handcuffs on the ground in front are for cuffing your feet, and the two handcuffs on the back are for cuffing your hands. Pulling this chain on the side will suspend me. Master, you can cuff me and suspend me, and then use the sadomasochistic toys in the suitcase to play with me as much as you like." As she spoke, her plump thighs kept rubbing together, and she was moaning softly, as if she was already being tortured by me. To this, I could only curse inwardly: Slut! I'll just have to go all out when I torture you later.
I cuffed my sister with four handcuffs, pulled the chain on the side, and soon, my sister was suspended in a big M shape. I ran to the suitcase and started rummaging through it. Hmm, whip, anal beads, vibrating egg, and a roll of duct tape. I'll use these today!
I grinned lewdly and slowly approached my sister with three wireless vibrators in hand. "Come on, let your master install these three little gadgets on you!"
"Ah... Master, ah... put in a few more, ah... this little bitch feels so good, ah... so satisfied, ah..."
I inserted the egg-sized vibrators one by one into my sister's vagina, then taped them on, and turned all three switches to the highest setting. My sister groaned, and through the transparent tape, I could see a faint flow of fluid inside. I poked my sister's vagina and moved closer to her, saying, "Does this little bitch feel good?"
"Ah... this little bitch feels so good, ah... so satisfied, ah... it... it's moving inside, ah..."
"Then does this little bitch want to feel even better..." I continued to tease my sister.
"Ah... yes, yes, ah... this little bitch wants to be even more satisfied, ah..." My sister's moans grew louder, as if she was afraid no one would hear her.
"Alright, Master, please satisfy this little bitch!" I said, squeezing the nine anal beads one by one into her anus. The last one was a bit difficult, about the size of an egg, but it didn't matter; I just pushed it in.
"Ah...ah...it's in, so many, ah...so big, so comfortable, ah...this little bitch's asshole feels so good..."
I gripped the handle of the anal bead in my sister's anus and began to slowly thrust in and out.
“Ah…ah…ah…Little bitch…your asshole…so comfortable…ah…ah…ah…so many beads moving inside my belly…so powerful…ah…ah…ah…insert my asshole…so good…ah…ah…ah…”
I laughed as I listened and said, “Damn! You’re a born bitch who’s begging to be fucked!”
“Little bitch…is…born…to be fucked…ah…ah…ah…my asshole…so comfortable…ah…
ah…ah…”
I watched my sister’s body tremble with pleasure as I inserted the anal beads, especially her pair of erect I-cup breasts, which made me furious. I pulled the anal beads out in one go, took off my shorts, and inserted my 30cm cock into my sister’s already well-lubricated anus in one go, and started fucking her with “slap slap slap”. However, feeling the vibration of the vibrating egg in her rectum was a different kind of pleasure.
"Ah...it feels so good to be fucked...ah...Master...ah...I want to be Master's sex slave forever...
ah...every day...ah...being fucked by Master's big cock...ah..."
Seeing my sister starting to babble incoherently from being fucked, enjoying it immensely, I pinched her nipples between my index and middle fingers, ignoring the pain, and pulled them back with all my might. Her breasts became long, narrow funnels, and I pressed them inward with my fingers, pinching her nipples until they were almost bruised. My penis increased its speed and force, slapping her buttocks loudly.
My sister's eyes rolled back, her cheeks flushed, her breathing rapid like she was running a 100-meter race, her legs trembling and twitching—she looked like she was about to climax.
“Ah…ah…ah…little bitch…I’m going to die…I’m going to die…ah…ah…ah…my nipples…
feel so good being pinched…harder…ah…ah…ah…hurry up and…pinch…the little bitch’s…slutty breasts…burst…
ah…ah…ah…little bitch…is a bad girl…always using…slutty big breasts…to seduce master…fuck me…
ah…ah…ah…now…my asshole…is so itchy too…master…harder…big cock…so powerful…
ah…ah…ah…from now on…use an electric dildo…use two…one to the cunt…one to the asshole…ah…
ah…ah…I’m going to cum…I’m going to cum…ah…harder…ah…harder…ah…”
Amidst my sister’s moans, I suddenly pulled my dildo out of her vagina, turned around and walked back to the bedroom, saying as I walked, “Well, that’s enough for today’s training, we’ll continue next time.”
Hearing that I was leaving, my sister didn’t care… She was still hanging on the frame, stretching her neck and saying to me, "No, brother, I'll do anything as long as you can keep fucking me!"
I stopped, a smirk playing on my lips, and asked, "Really?"
My sister quickly replied, "Really! Really!"
Before she could finish, I had already turned and pounced on her...
Chapter Four: The Birth of the Second Sex Slave
I rode my bicycle, enjoying the pleasurable sensation of my sister's I-cup breasts behind me. Unlike usual, she wasn't chattering away. I was puzzled by this. After fucking her yesterday, we were both exhausted, but she actually gave me two large electric dildos and told me to forcefully insert them. She also pulled up a thong so hard that it was almost completely hidden from her labia and buttocks. She wore it all night and still hadn't taken it off this morning. She rode my bicycle with me in it to school.
(Hmm, she's probably still too excited to speak.)
I thought to myself with a bit of a laugh. As if hearing my thoughts, my sister pinched my waist hard. I winced in pain, and my bike started to wobble. My sister quickly grabbed my waist, afraid I'd fall off. This only made things easier for me; I enjoyed the firm pressure against her back, and the bike became more stable. The pressure naturally disappeared, leaving me with a regretful click of my tongue.
(Just now, it was really, so soft, so big, so good…)
We soon arrived at the school parking garage. I quickly locked my bike and turned around. I saw my sister, her cheeks flushed, gripping the railing, her legs trembling as if they were about to give way.
"Hey! Sister, why are your legs so weak?" I asked knowingly.
My sister glared at me fiercely, then replied in a pitiful tone, "It's all your fault, brother! Yesterday you made me so weak all over, and you even forced two huge vibrators inside me, and pulled my thong all the way up! Now I have no strength left... Waaaaah... You're the worst! Waaaaah..."
(Uh! Did I do that yesterday? I think I remember my sister doing it herself!)
Regardless of what I was thinking, I, who always hate seeing girls cry, started to panic. Seeing several boys around me glaring at me, I quickly pretended to hug my sister and whispered in her ear, "Okay! Okay! Others are watching. I'll make it up to you properly today!"
Hearing this, my sister immediately stopped crying and smiled, looking up, all traces of her previous sobbing gone.
(Uh! I think I was tricked! I must teach my sister a lesson when I fuck her today!)
Watching my sister's plump buttocks sway as she walked towards the school building, I finally realized that I had already made up my mind to teach her a lesson.
I walked into the classroom with my sister, and as usual, I went to the back row and lay down to sleep. Enjoying the wonderful sensation of my sister's body, I didn't want to do something as cowardly as getting killed by her gaze.
"Brother, wake up!"
(Uh! It sounds like someone's calling me. Don't disturb my sweet dream!)
"Brother! Get up!!!"
A sharp pain shot through my cheek. Ouch, that really hurts!!!
I struggled to open my eyes, trying to see who was pinching me, but all I saw was my sister's cute face and a hand blocking half my view.
(Wait! Why is there a hand on my face!)
I quickly sat up and saw my sister pinching and pulling at my face. It really hurt!
"Brother, come with me!!!"
Before I could even yell, my sister pulled me out of the classroom, heading off somewhere.
When I was fully awake, my sister had already dragged me into the men's restroom. She randomly opened a door, pushed me inside, locked it, and said to me with seductive eyes, "Brother~~~~~ You promised to make it up to me today!"
My sister pressed me down onto the toilet, unzipped my pants, and took out my penis. I had been very hard from the wet dream, and it hadn't completely softened on the way here. Now, held in my sister's warm little hand, feeling the hot breath from her cherry lips, I felt a faint urge to rise again.
My sister smiled lewdly at me, opened her cherry lips, and tried to take my penis in. I felt my penis enter a wet and soft place, and the instant pleasure made my penis immediately hard. I felt my glans enter a narrow, slightly hard tube, which I guessed was my esophagus!
(This must be the legendary deep throat!)
Afterwards, my sister's fragrant tongue licked all over my penis, and the corpora cavernosa inside quickly became engorged with blood and hardened. My sister must have felt it was a bit difficult to take it all in, so she spat it out and stretched out her fragrant tongue, gently licking all over my penis, sometimes circling the urethral opening, sometimes licking the groove under the glans, as if she were licking her favorite ice cream.
"Master~~~~ Shouldn't it be my turn to enjoy myself?" As I continued to calm down and enjoy myself, my sister's lewd moans started again.
"Oh! Yes, yes!" I grinned and answered my sister.
I wrapped my arms around my sister's slender waist, lifted her onto the toilet, and made her lie on all fours like a female dog. I flipped her miniskirt up to her waist and saw that it was completely clean underneath. The large dildo and thong that should have been in her vagina and anus were gone. I guessed that she must have taken off her thong and the two vibrating dildos during class in preparation for being fucked by me.
Thinking of this, I couldn't help but say to my sister, "You actually took off your thong and vibrator during class? Aren't you afraid someone will find out how lewd you are?"
My sister, sensing my inaction, began to wiggle her hips, seemingly impatient. Hearing my words, she said even more lewdly, "This little bitch isn't afraid. If anyone finds out, this little bitch... this little bitch hopes they all come and fuck me, fuck me until I'm bursting, so this little bitch won't have to use her lewd breasts to seduce them every day and embarrass her master! Master~~~~ hurry up and come in, this little bitch can't hold back anymore!"
Hearing this, I thrust forward forcefully, my penis already inside my sister's vagina, still saying, "Sister, you're really horny. I'll fuck you every day from now on, and you're still so tight after all this time!"
“Ah…ah…little bitch, only you, my master, can fuck me, so of course I’m very tight…little bitch will be fucked by my master every day.”
I then asked, “Little bitch, what are your interests?”
My sister replied lewdly, “Little bitch…the biggest…interest…ah…ah…ah…is…being fucked by my master…ah…ah…ah…if I don’t get fucked for a day…I masturbate…ah…ah…ah…sometimes…I don’t wear…a bra…I link arms with my master…on home, hoping…hoping…to be raped by my master…ah…ah…ah…my master’s…big penis…fucks little bitch to death…”
Hearing this, I couldn’t help but say, “So you’ve always wanted to be raped by me! It made me so pent up every day before.”
My sister replied lewdly: "Little bitch...now...just wants...ah...ah...ah...to let master...use, use force...to fuck little bitch's cunt...ah...ah...ah..."
I continued, "Little bitch, then why do you always wear low-cut clothes?"
My sister replied, "Ah...ah...ah...little bitch...actually...want to...seduce...master...ah...ah...ah...as long as...master...watches...little bitch...will...get...excited...ah...ah...ah...but, unfortunately...master doesn't appreciate it, making, making little bitch, hold, hold...ah...ah...ah..."
Because of yesterday's all-night struggle, after thrusting for several tens of minutes I still didn't want to ejaculate, so I told my sister I wanted to change positions. I leaned against the toilet and let my sister thrust hard there, so I could properly appreciate the swaying of my sister's huge breasts.
As I leaned back on the toilet, my penis remained erect. My sister gave me a lewd smile, positioned her tender vulva against my penis, and slowly lowered her buttocks. Her hands rested on my shoulders, and her buttocks began to sway up and down, occasionally letting out soft, lewd moans.
I laughed and said, "Little bitch, is it hitting your cervix?"
My sister replied, "Ah...ah...ah...big penis...so deep...ah...ah...ah...it feels...my cunt...is going to be pierced..."
My sister's buttocks gradually increased in speed, and her huge breasts swayed violently up and down. Every time Xiaohui's breasts sank down, it pressed my sister's body down even further, making her feel as if she had been electrocuted. My sister's breathing became faster and faster. I let my sister sway like this for several tens of minutes. My sister could definitely make a great film out of her huge breasts. Next, I suggested we switch to doggy style.
My sister immediately turned her back to me and lay face down on the toilet, her round, white buttocks sticking up high, her labia majora clearly exposed. Then I used my hands to spread her labia majora, inserted my large penis, and began to thrust wildly. After two orgasms, my sister was clearly about to collapse, her strength failing her. She lay face down on the toilet, her buttocks subjected to my violent pounding.
Seeing my sister's weak and listless appearance, I inserted two fingers into her anus. My sister was startled by my sudden action and let out a lewd moan.
"Ah...ah...ah...this little bitch's...anus...so good...ah...ah...ah..."
Seeing that my sister was more energetic, I thrust my fingers deeper into her anus. My sister's white legs trembled slightly as she was being penetrated from both sides. She looked at me blankly, her cherry-like mouth panting heavily.
“Little bitch… my asshole… is being penetrated… ah… ah… ah… cooperating… with the big penis… my cunt… my asshole… feels so good… ah… ah… ah… Master… be rougher… my little bitch… my cunt… has been itchy… all morning… ah… ah… ah… little bitch… is going to die… is going to die from pleasure… ah… ah… ah… big penis… is so powerful… it’s going to tear my cunt apart… ah… ah… ah… little bitch… wants to be fucked by Master… for a lifetime… ah… ah… ah…”
The whole room was filled with my sister’s lewd words. With the thrusting of the penis, my sister’s rhythmic moans were accompanied by several streams of vaginal fluid flowing down her thighs. My sister’s pair of lewd and huge breasts swayed back and forth with the impact of my penis. The snow-white breasts were covered with crystal-clear beads of sweat, which flowed along the curve of the breasts to the nipples and finally dripped down.
"Ah...ah...ah...little bitch...I'm going to climax...I'm going to climax...ah...ah...ah...rotten hole...being fucked...so good...ah...ah...ah...little bitch...want to pee again...ah...ah...ah...little bitch...I'm going to die...I'm going to be fucked to death...ah...ah...ah...little bitch...I'm going to cum...ah...ah...ah..."
Hearing my sister's moans, I figured she was about to cum, so I quickly pulled my big penis out of her cunt and aimed it at her still-burning anus, then thrust it in hard. Xiao Hui's anus was suddenly penetrated by my huge penis, and a satisfied expression appeared on her face as she began to moan loudly.
"Ah...ah...ah...Master...my asshole...so good...ah...ah...ah...big penis...so thick...ah...ah...ah...Master...so good...my asshole...so good...ah...ah..." The
initial insertion into my sister's anus went smoothly, even with the entire penis inside. It was still a little awkward, so I started thrusting harder into her anus, my ears filled with her lewd moans. The thrusting became smoother and faster, and she continued to moan.
"Ah...ah...ah...little bitch...my asshole...so comfortable...ah...ah...ah...big penis...so powerful...ah...ah...ah...so good...ah...ah...ah..."
After saying this, she reached for her vagina and started masturbating with her fingers.
"Ah...ah...ah...little bitch...I'm going to die...I'm going to feel so good...ah...ah...ah...inside my vagina...I can actually...feel...a big penis...it feels so strange...but...it feels so good...ah...ah...ah...so good...my rotten hole and my asshole...feel so good...ah...ah...ah...little bitch...my whole body...is so hot...being fucked by a big penis...feels so good...ah...ah...ah..."
After fucking for another ten minutes, I felt my penis was about to ejaculate, and I prepared to make a final sprint. I watched my sister being fucked and talking nonsense, feeling incredibly good...so I used my index and middle fingers to pinch my sister's nipples, not caring if they would hurt, and pulled them back with all my might. My sister's two big breasts were transformed into a long, narrow funnel shape. I pressed my index and middle fingers inward forcefully, and my sister's nipples were almost bruised from being pinched. My penis also increased its speed and force, making my sister's buttocks sizzle.
My sister's eyes were rolling back in her head, her cheeks flushed, and she was breathing heavily like someone running a 100-meter race. Her legs were trembling and convulsing, as if she was about to climax.
"Ah...ah...ah...little bitch...I'm going to die...I'm going to die...ah...ah...ah...my nipples...feel so good being pinched...harder...ah...ah...ah...hurry up and...pinch...the little bitch's...slutty breasts...burst...ah...ah...ah...little bitch...is a bad girl...always using...her slutty big breasts...to seduce men...to fuck me...ah...ah...ah...now...my asshole...is so itchy too...Master...harder...your big cock...is so powerful...ah...ah...ah...ah...ah...ah...ah...I'm going to cum...I'm going to cum..."
Amid my sister's moans, a large amount of semen gushed from her asshole. At the same time, her cunt also squirted out a large amount of vaginal fluid. When I released my hands, my sister was already limp and lying on the toilet.
I took out the tissues I had with me and wiped my sister and me clean. Then I helped my sister up and opened the door to go back to the classroom.
But when I pushed open the door to the toilet stall, I found a girl standing there with a flushed face. Before I could even call out, my sister shouted, "Mi Xin, it's you! What are you doing here?"
The girl my sister called Mi Xin hurriedly looked up, "N-nothing, I didn't hear anything, I-I'm leaving!"
(Uh! It seems I've been found out!)
I touched my nose and thought helplessly, then said to my sister, "Do you think that girl will tell anyone?"
"Probably not, she's a good friend of mine, I know her personality, but we should still be careful." My sister's beautiful eyes narrowed, and a glint of conspiracy seemed to shine in them.
I couldn't help but shiver. At that moment, my sister suddenly said to me, "Brother!"
"Hmm."
"You say... shouldn't you take in a second sex slave!"

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