The Final Chapter of My Sister-in-Law

I woke up in the early hours of the morning, feeling someone stroking my penis. Half-asleep, I tried to figure out who it was, grabbing their breasts. It was probably my sister-in-law.

"Didn't you say you'd go back after a little sleep? Why are you horny again?"

"Actually, I didn't sleep much. Touching your penis made it hard again, so I wanted it!"

"You little slut, turn your back, I'll fuck you from behind."

"Mmm," my sister-in-law obediently lay on her side, pulling her legs up, guiding my penis into her

vagina. As soon as the head entered, I could feel how wet it was, probably with my semen still inside. Her vagina was very lubricated. I hugged her tightly from behind, my right hand reaching under her neck to grasp her left breast, my left hand stroking her pubic hair, thrusting in and out intermittently. I was so sleepy! Although the friction of my penis against her vagina was quite pleasurable, I was drifting off to sleep! My sister-in-law is quite sexually interested. She wiggles her big butt to match my thrusts, and she's also moaning softly. She's trying to drain me dry!

After a while of thrusting, feeling parched, I asked my sister-in-law,

"Is there any water?"

"No water down there?"

"I meant drinking water!"

"Hehe, I thought you meant ***! I'll go get you some!" She then threw back the covers, naked, and was about to leave when she ran back to the door, pulling out a few tissues from the bedside table. "I'm wet down there, do you want some? Hehe!"

"No, you drink it yourself! Hahaha!"

"You're so annoying!" After wiping herself clean, she threw the tissues in the trash can and quietly opened the door.

"I said, you're going to go out naked like that?"

"Shh! Don't talk!" She left, half-closing the door, and returned a moment later with a bottle of mineral water. She gently closed the door, climbed onto the bed, and handed me the water.

"You're really something! Going out naked, aren't you afraid of being seen?"

"Dressing is too much trouble, I'll just get some water and come back!"

"You have an exhibitionist fetish, don't you? Like your sister, she likes to have sex on the balcony, the rooftop, or in the mountains!"

"Then, shall we try it on the balcony?"

"Ha! You really are an exhibitionist!" I was a little surprised!

"Feels pretty exciting, right? Anyway, there's definitely no one around now. Drink some water, and we'll try it out."

"Okay." I opened the bottle of mineral water and gulped it down, even letting out a burp. ...

My sister-in-law pulled me to the balcony. Looking through the glass, I saw that there was indeed no one on the road. It was just getting light, and the glass was coated, so you couldn't see in from the outside!

"Are we here to watch the sunrise?"

"Hurry up and let it happen! I can't wait! What do we do?" My sister-in-law was getting impatient!

"Just hold onto the window and stick your butt up high, make sure you hold on tight so you don't fall!"

"Okay." My sister-in-law bent over and held onto the window with both hands, sticking her big butt up high. I stood behind her and realized the height wasn't right. Her legs weren't as long as my wife's, and my penis was hanging above her big butt. I tried to squat down and insert it, but after a few tries, it didn't feel right, so I told her,

"Stand on your tiptoes, it's hard to insert like that."

"Is it because I'm too short?" My sister-in-law raised her feet, and the height was more suitable.

"Okay, that's fine." Saying that, I started thrusting. My sister-in-law was holding onto the window, her breasts hanging upside down, swaying very temptingly. Because she was at the window, my sister-in-law didn't dare to moan, only making soft "hmm hmm" sounds. After a while, my sister-in-law stood up and said,
"I can't take it anymore!"

"Are you about to orgasm again?"

"No, it's too uncomfortable standing on my tiptoes, my feet can't take it! They're shaking!"

"Then, let's go to the bed?"

"Let me get Mom's high heels? I saw some like that in the video." She said, heading out the door, grabbing a few tissues from the bedside table, and returning a moment later with a pair of heels over ten centimeters high! In her other hand, she was holding an outfit.

"Look, sky-high heels! I've never worn anything this high!"

"Wow, like walking on stilts!" Up close, the heels were indeed astonishing. "Why are you taking the outfit? Aren't you cold?"

"Tsk tsk, and you call yourself a uniform fetishist! Didn't you recognize a Japanese JK uniform?" She put down the heels and handed me the outfit. I took it and saw it was indeed a Japanese high school uniform—a shirt and skirt! And a pair of pure white cotton stockings! This slut is trying to seduce me!

"High school uniforms and high heels don't go well together, do they?"

"Whatever, standing on tiptoe is tiring!" She took the stockings and outfit and put them on.

Watching my little sister-in-law in her uniform, wow, it looked pretty good, especially since she wasn't wearing a bra or underwear!

My sister-in-law deliberately wore her already short skirt a little too high, revealing her big buttocks when she bent over. Only two buttons were fastened, her breasts barely concealed. After putting it on, she twirled around.

"How is it? Do you like it?"

"So tempting! Come on, let's go to the balcony and have some fun!"

"Hehe," my sister-in-law was very satisfied with my answer, pulling me towards the balcony. She even stumbled a little when we reached the window, thankfully she was holding me, otherwise she would have fallen! After adjusting, my sister-in-law obediently held onto the window, sticking her buttocks up high. Sure enough, with high heels, the height and angle were perfect! Wearing a school uniform, she looked like a little vixen! She looked incredibly tempting! Holding her buttocks, I aimed and started thrusting into her breasts!

My sister-in-law didn't need to tiptoe, allowing her to better respond to my rhythm. Her skirt swayed, her breasts bounced inside her shirt, and her hair was a mess from being dry. She squeezed her legs together, making her vagina even tighter, and her juices flowed down her thighs. "Mmm, mmm," she moaned softly. "Smack, smack,"

her vagina rubbed against my penis, and "slap, slap, slap," the sounds of her hitting my buttocks blended into a lewd symphony. I thrust vigorously from behind, and she clung tightly to the window, whether afraid of being knocked over or afraid of being seen from the window, the tension made her whole body tense, gripping my penis tightly—it was so stimulating! I couldn't take it for more than a few minutes, and my sister-in-law was almost at her limit too. She mumbled something, and soon her body went limp, almost falling. She said to me, "Let's go to the bed!"

We went to the bed, and she collapsed onto it. I continued thrusting on top of her, and after a short while, she had another orgasm! She held me tightly, her breasts began to convulse violently, her whole body convulsing along with them. Her vagina sucked at my penis deep inside, and a wave of pleasure washed over me; I couldn't control myself and ejaculated! My third ejaculation of the day shot into my sister-in-law's body!

We were both exhausted. As dawn broke, my sister-in-law rested for a while, then started packing her things. She put on her underwear and pajamas, grabbed her clothes and high heels, and went out. I felt very tired too, and drifted off to sleep.
My sister-in-law's libido is getting stronger; lately she's been asking me to "train" her. She says it's very exciting. I don't really understand these things, only things like bondage, whipping, and wax dripping. My sister-in-law told me a lot, but I only vaguely understood. I asked her,

"So, how do you want to be trained?"

"How about we try having sex in a public place?"

"A public place? How?"

"Just secretly, in a park or a movie theater, right? Don't you and my sister often have sex in the open?"

"There's no one around when it's outdoors, but there are lots of people in public places!"

"I'll go check some information and make a plan."
She's definitely an exhibitionist, just like her sister! We planned what to do next time we met, bought some props online, and discussed the details and safety concerns. A few days later, my sister-in-law was urging us to meet, so we hitched a ride to my wife's parents' house. I

was called by her as soon as I woke up in the morning, and didn't arrive until evening. I told my wife and her family I needed to give her some things, and my wife quietly told me, "Make sure you take precautions! It seems like she's ovulating today." I quickly agreed and took the ride. When I saw my sister-in-law, she was still wearing my favorite school uniform—a white shirt with a prominent chest and two barely visible nipples; you could tell she wasn't wearing a bra! She was wearing a short skirt with white cotton stockings, black flat leather shoes, and carrying a backpack—just like a JK (high school girl) seductive in an adult video! I was completely horny!

"Wearing that, aren't you afraid I'll rape you right now? No bra? Are you even wearing panties?" I pretended to lift her skirt, and she flinched.

"Yes! They're your favorite cotton panties! Want me to take them off now and do it right here?" My sister-in-law looked at me mischievously.

"I wouldn't dare do that on the street, let's find somewhere else!"

"I bought movie tickets, let's go see a movie first!" My sister-in-law took out her phone and started scrolling.

"Are we going to see a movie? I don't remember it being like this?"

"Ugh! Did you bring anything?"

"Yeah, I did. I tried it out, and it's okay."

"Huh? How did you try it? Anal sex?" My sister-in-law joked, pretending to cover her mouth in surprise.

"Bullshit! I just installed an app to test if it's normal!" I glanced at her sideways and handed her the bag containing the wireless smart vibrator.

"Hehehahaha!" My sister-in-law laughed like a pig, put the bag into her backpack, and took my hand, saying, "Let's go, it's not far."

I walked along with her arm around me. Some people on the street stared at us, I wonder if they noticed she wasn't wearing a bra, or maybe they thought it was cosplay...

It really wasn't far, we arrived in a few minutes. It was a very small movie theater. As planned, my sister-in-law was scouting the place. Since it was a small theater, there probably weren't many people. We chose seats in the very back corner, the so-called "couple's seats," where no one could see what we were doing! The surrounding rows were also empty.

"I'm going to the restroom first, and by the way, you know what I mean!" My sister-in-law smiled seductively as she went into the restroom. I knew she was going to insert the vibrator into her vagina, so I went to buy some popcorn and such. She came out soon after, her face flushed, and went straight to the massage chair near the theater entrance.

"Try turning it on, see if the sound is loud?" she whispered to me.

I took out my phone and opened the "Little Devil" app. The app said it couldn't find the device.

"Is it not turned on?"

"Huh?" My sister-in-law was a little surprised. "How do I turn it on?" "

There's a button on the back. Press it for two or three seconds, and it vibrates once, then it's on."

"You didn't tell me!" My sister-in-law looked around; there was no one there. She put her backpack on her lap, reached for the switch, and jumped. "It should be on! It startled me; it's a bit loud."

"I didn't hear anything. Try it yourself." I handed her my phone and showed her how to use it. "Give me your phone, and I'll install it for you."

"Okay," my sister-in-law handed me her phone. I installed the software for her, took my phone back, and connected the vibrator to her phone.

"Try a tune," she said. She swiped her phone and selected a tune with a lower amplitude.

"How is it? I can't hear it vibrating," I asked.

"Yes, it's quite loud."

"Maybe it's inside you! I can't hear it."

"Hmm, I don't feel anything," she said, a little disappointed.

"Want to try something else?"

"Hmm," she said, swiping her phone and selecting a tune with a higher amplitude. "This one's okay, is there any sound?"

"No, I still can't hear anything. It's on silent, so no one else should be able to hear it!"

My sister-in-law seemed to be getting aroused. I don't know if it was from the vibrator or from doing this in a public place, but her face was getting redder and redder. I looked at my sister-in-law, dressed in a pure school uniform, lying on the massage chair, with a vibrator inserted in her vagina, and my penis was erect! My sister-in-law glanced at my bulging crotch and whispered,

"It feels better with my brother-in-law's dick inside me!"

"Don't seduce me! I might lose control and rape you right here."

"No, please! We can do whatever we want in the theater later!"
My sister-in-law looked at me shyly yet boldly.

I sat on the massage chair next to me, eating popcorn, and asked her if she wanted some. She said no. Lost in the lewd power of the vibrator, huh? After waiting quite a while, the movie was about to start. My sister-in-law pulled me into the theater and went straight to the back. There weren't many people there; only a few seats in the middle rows. There wasn't a single person next to us. My sister-in-law pulled me down to sit.

"How about it? I picked a good seat, right?"
she said proudly.

"You're really something. You've been planning this for a long time, haven't you? Just don't shout loudly later!"

She rolled her eyes at me. The movie started, the lights dimmed, and for a moment it was pitch black. Then the commercials started. My sister-in-law's attention wasn't on the movie screen at all; she took out her phone and selected a clip with "forced climax" on it. Looking around, I reached my left hand over and placed it on my crotch, gently stroking it. I glanced around to make sure no one could see us. The screen was changing, and the movie theater was flickering between light and shadow. I mustered my courage and reached into my underwear, touching my sister-in-law's private parts. The vibrating egg was rhythmically vibrating, quite strongly, and I couldn't hear it. The vibrations made my hand a little numb. I reached up and slipped my hand inside her neckline, grasping her breasts and rubbing her nipples. My sister-in-law looked around shyly, then gave me a flirtatious smile, pretending to be watching the movie.

I mischievously unbuttoned my sister-in-law's blouse. She quickly covered herself with her other hand, giving me a pleading look. I whispered to her,

"Don't you like showing off? Anyway, nobody can see!" I pulled her hand away, opened her shirt, and revealed her breasts. She was still shy and hid in my arms, her head resting on my engorged penis. I grabbed her hair and unzipped my pants, pulling out my already hard cock. She instantly understood what I meant, taking it into her mouth and touching my teeth! The glans felt both painful and pleasurable! She stopped covering her breasts, letting me play with them, sucking and licking my penis as if she wanted to swallow it whole! Although I've had sex with my wife and ex-girlfriend in classrooms and outdoors before, this was the first time I'd ever received oral sex in a movie theater. I felt incredibly aroused, and I didn't even know what the movie was about. My sister-in-law later said she also felt very aroused, afraid of being discovered, yet also wanting to expose herself and have sex in front of strangers! And her vagina was completely tingled from the vibrating egg.
It felt great!

My sister-in-law was giving me a good blowjob, swallowing the entire penis and spitting it out. Then she'd grab it and suck the glans rapidly, the tingling sensation incredibly stimulating, especially in the presence of strangers! My hands weren't idle either, constantly rubbing her exposed breasts. Her nipples had gotten bigger; my sister-in-law's breasts were beautiful, full and firm. I'd tried masturbation, but it hadn't been very successful; she needed more training. She'd been giving me blowjobs for about ten minutes when she suddenly took out her phone, turned off the app, and reached into her bag to pull out a tissue. She used the tissue to take out the vibrator, wrapped it up, and put it in her bag.

"Why aren't you playing anymore?"
I asked, a little confused. I thought she'd had an orgasm, but she didn't seem to.

"The vibrator is like a distraction; your brother-in-law's penis is much more satisfying," my sister-in-law said softly, her face flushed. She stood up slightly, plopped down on my lap, one hand on the chair in front of her, the other reaching under her skirt to pull down her panties. Her fingers groped for my penis, and she sat down on it!

The inside was like a flood, completely different from oral sex. The folds of her vagina rubbed tightly against my penis, which slid all the way in! The glans felt like it was hitting her cervix. My sister-in-law reflexively grabbed the seat in front of her, let out a soft gasp, lifted her buttocks slightly, and then slowly sat back down, gently twisting her hips. My penis was fully inserted into her vagina, moving back and forth, the glans rubbing against her cervix. I don't know if she let go or was overwhelmed by the penis, but she started to moan softly. Luckily, the movie volume was loud enough to drown out her moans. I didn't care anymore; we were all strangers, and you couldn't see anyone in the movie theater. I grabbed her exposed buttocks with one hand and rubbed her clitoris with the other. She twisted her hips even more vigorously, her vaginal fluid dripping onto my testicles and wetting my pubic hair. She also became a little sticky all over; I didn't know if it was from exercise or from sweating nervously,
or perhaps both.

It was my first time having sex in a movie theater, and it felt strange. The pleasure was intense. My sister-in-law was twisting her waist vigorously, completely oblivious to the fact that she was in a movie theater, softly moaning and panting, not caring if others could hear. After a few minutes, she probably got a little tired, and her twisting movements gradually slowed down, replaced by small movements of lifting her buttocks. I grabbed her big buttocks and helped her thrust in and out. She gradually increased her speed, and I matched her rhythm, thrusting my penis hard into her vagina. The head of my penis was tightly sucked by her vagina, and the vaginal walls kept rubbing against it, the head of my penis hitting her cervix again and again. It was clear that she was enjoying having sex in the movie theater. After a few more minutes, she suddenly orgasmed, letting out a slightly loud cry. I was startled, but luckily no one in the movie theater turned around to look. She collapsed on top of me, afraid that others would see her erect breasts, so I quickly straightened her shirt and tucked her breasts
inside .

"You orgasmed? Was it good?"
I asked her.

"Mmm," my sister-in-law was still recovering from her orgasm. After a while, she reached into her bag and pulled out a few tissues, covering her breasts and pulling out my still-erect penis. She put the tissues in her underwear and sat down to the side, looking back at my still-hard penis.

"Brother-in-law hasn't come yet?"

"Mmm," I looked at her, unsatisfied.

"Then let's go eat first, and continue after we're full. I'm hungry." My sister-in-law was a little embarrassed. She had been so focused on enjoying herself that she hadn't thought of me. After packing her bag, she didn't care about the movie anymore. Anyway, we weren't there for the movie. She pulled me out. Someone in the theater glanced at us. I wonder if they had noticed what we were doing?!
Just now, a big-breasted girl had an orgasm from being fucked by her brother-in-law in the theater! It's a pity you can't see this~

Leaving the movie theater, my sister-in-law linked arms with me, and we strolled along the street, browsing through boutiques and clothing stores. After a while, we came to a Sichuan restaurant. My sister-in-law said she and her sister had eaten there before, and she ordered some of my favorite dishes, saying it was her treat. I said, "How could I accept that?" She said, "I'll make it up to you later!" That made me lose my appetite! While eating, we chatted about various things. My sister-in-law kept complaining about work, how lonely and cold it was to work alone. We ate until after nine o'clock, and then she said to me,

"Don't go home tonight, stay with me a little longer."

"Where are we going to stay?"
I was a little surprised and wanted to find an excuse to go back.

"Let's get a room!" my sister-in-law said shyly, pulling me out. We soon arrived at a hotel. It seemed my sister-in-law was going to keep me there tonight. I texted my wife that I had booked a room with my sister-in-law, a couple's room, and even sent her photos. As soon as my sister-in-law came in, she put down her bag and filled the bathtub. I sat on the bed chatting with my wife. After she finished filling the tub, she came over and said to me,

"The tub's full. Stop chatting with your wife! Come and bathe with me. I'll give you a massage and scrub your back." My sister-in-law complained a little jealously,

"Little sister-in-law, your brother-in-law is here." I quickly ran over and took off my clothes. My sister-in-law also took off her clothes and lay in the bathtub waiting for me. I got into the tub too. The tub was a little small, but just right for two people. My sister-in-law was a little shy, her face flushed.

"Lower your head a little, I'll wash your hair."
I offered to wash her hair to break the awkwardness. It was the first time I had taken a bath with a woman other than my wife.

My sister-in-law obediently lowered her head. I rinsed her hair under the tap, then applied shampoo. Her hair was straight, black, and white—the kind of long hair I liked. I carefully washed it twice, then dried it with a towel.

"Brother-in-law, do you wash my sister's hair too?" she asked while drying her hair.

"I washed it for her when she was pregnant. Sometimes we take baths together and make love in the bathroom."

"We're taking a bath together now. Mandarin ducks aren't monogamous; as the saying goes, 'A day as husband and wife is a hundred days of kindness,' so we're practically husband and wife now, right? Brother-in-law, aren't you just having two wives?!" My sister-in-law said playfully.

"You call me brother-in-law, not husband and wife! What happened to our

agreement of only physical intimacy?!" I quickly retorted. "In your Hokkien dialect, 'little sister-in-law' means 'little wife,' and you just called me 'little wife' too!" My sister-in-law said smugly.

"Okay, okay, little wife, you have to fulfill your duties as a wife! You have to serve your husband well later!" Since my sister-in-law had said that, as a man, I couldn't give in.

"Husband~" my sister-in-law said sweetly, "Husband likes pubic hair, doesn't he? I brought armpit shaving and small scissors! Aren't you surprised?"

"Last time I said I'd shave your pubic hair, and you actually did it! So good!"

"Hehe, husband, I was originally going to shave it myself to surprise you, but I tried and couldn't. After the bath, will you shave it for me?"

"Okay," I agreed, already wondering what it would be like after shaving. My sister-in-law applied shower gel to me, and I slathered it all over her body. The shower gel made her skin slippery. I touched her vulva with my fingers; I don't know if it was the gel or her vagina that made it slippery, but I grabbed her and inserted myself into her body in the water, circling her breasts with my hands, making her ticklish and trying to escape. My sister-in-law took out the showerhead and sprayed it on my face, but I grabbed it and sprayed it all over her, tickling her as I did so. She couldn't stand the tickling and escaped from the bathtub, grabbing a towel to dry herself. I rinsed off quickly too, got out of the bathtub, and dried myself with the towel.

I saw a message on my phone from my wife. She had also seen the bathtub in the room photo and suggested we take a bath together. I replied that we should take a bath together! Then I told my wife that my sister wanted me to shave her, and she was surprised that I had a preference for hairless, pubic hair.
He pushed his sister-in-law down on the bed, took a picture of himself about to insert his penis into her sister's vagina, and sent it to his wife. While he was thrusting, he discussed with his wife how to shave, and his wife said she had never shaved before.

My sister-in-law, seeing me chatting with my wife while we were having sex, neglecting her, snatched my phone, glanced at the chat history, and, seeing the discussion about shaving, wasn't angry. She put the phone on the bed, saying,

"Honey, we'll do it later. Let's shave first." She got up, took a towel

, and spread it on the bed. Sitting on the towel, she took something from her bag—a small pair of scissors and an electric armpit razor. She handed me the scissors, saying, "It's similar to shaving! I read online that you should trim it first, then shave it clean with a razor or armpit razor. I also got a disposable razor; you shave every day, right?"

"Okay, I'll try." I knelt on the floor, stroking my sister-in-law's pubic hair a few times with one hand, and carefully trimming the long hair down to about a millimeter or two with the scissors. My sister-in-law felt a little itchy.

"Don't move! You might cut yourself!"

"It'll be a little itchy!" she said, obediently lying down and not daring to move.

I took out my electric shaver, spread my sister-in-law's vulva, and carefully shaved off the remaining pubic hair. After a while, I cleaned up and rinsed her pubic hair. A fake white tiger was born! Her vulva was white and tender, without a single hair, like a little girl who hadn't yet developed. My penis couldn't help but get even harder! I pushed my sister-in-law onto the bed again, spread her legs and put them on my shoulders, and thrust my penis into her vulva! Seeing my phone on the bed, I took a picture of my sister-in-law's vulva while thrusting and sent it to my wife. My wife replied with a drooling emoji. I told my wife I wanted to ejaculate inside her during her ovulation period! My wife replied, "Don't get pregnant..."

My sister-in-law was moaning loudly as I fucked her, calling out "Husband, husband!" Anyway, we were in a hotel, and everyone was a stranger, but we all knew what we were there for. Suddenly, I felt that having her tied in pigtails would be even more tempting.

"Little sister-in-law, did you bring any rubber bands?"

"Huh?" My sister-in-law was taken aback by my sudden question. "Rubber bands?"

"Yeah, to tie in pigtails."

"Hehe, husband, you really like little sisters, don't you~" I stopped thrusting, and my sister-in-law sat up, rummaged through her bag, and found two rubber bands to tie in pigtails

. "All tied, lie on the bed, I'm going to grab your pigtails and fuck you from

behind." My sister-in-law obediently lay on the bed, sticking her butt out, waiting for me to fuck her from behind. I told my wife I wanted to video chat, put my phone on the bedside table, and sent the video. My wife answered the video call, and I went behind my sister-in-law, grabbed her pigtails, and forcefully thrust my penis into her already eager pussy. My wife should be able to see clearly that her husband was fucking her own sister!

Under my wife's watchful eye, I fucked my sister-in-law even harder. She trembled all over, her breasts bobbing rhythmically. My wife could probably see what I was doing. After a few minutes, she couldn't take my intense thrusts anymore and collapsed onto the bed, moaning and crying out for her husband. Suddenly, I heard the notification sound of the video call ending! I

quickly pulled out my penis, thinking the signal was bad and the call had dropped. I grabbed my phone and went back behind my sister-in-law, asking my wife why the video call had ended. My wife said her sister had heard it! I quickly asked her if she had seen it. My wife said she only heard it and glanced at it before hanging up the video call. My sister-in-law thought I had suddenly stopped doing it to her, so she quickly guided my penis to her vagina. I understood and inserted my penis into her vagina, continuing to thrust. My sister-in-law continued to enjoy it.

"You video-chatted with my sister? Did she get angry when I called your husband?"

"No, she said your second sister heard it!"

"Ah!?" My sister-in-law stopped in surprise. "You didn't see it, did you?" "She

probably didn't hear it. Your eldest sister hung up."

"That's good. You don't have feelings for her, do you?"

"How could I? She's married with a husband! And she's had a child."

"So, you like unmarried women who haven't had children, right?" My sister-in-law was a little smug.

"Yes! Like a little sister-in-law like you!" I thrust into my sister-in-law several times.

"I can have a C-section when I have a baby! That way my vagina won't become loose!" My sister-in-law seemed thoughtful.

"It's not about the vagina! It's troublesome if I'm married and have a husband and they find out!"

"So that's what you're afraid of. Then I won't get married. You can get me pregnant, and I'll just have a daughter!"

"Who knows if it'll be a boy or a girl? What if it's a boy?"

"You can raise it."

"I don't want that. One is enough! You raise it yourself."

"I'll raise it myself then. Today is my ovulation period. If you dare to ejaculate inside me and I get a child, I'll dare to raise it!"

"Okay, I'll do it today!" After saying that, I thrust even harder into my sister-in-law. She didn't care, panting and moaning, calling for her husband. We changed positions a few more times and went at it for a few more minutes. My sister-in-law was about to climax. Her vagina started to convulse, sucking hard on my glans. Suddenly, she wrapped her legs around my waist and hugged me tightly with both hands. She screamed that she had climaxed. I was also about to ejaculate because of her orgasmic reaction. I quickly tried to pull my penis out, wondering whether to ejaculate on her breasts, face, or mouth. But my sister-in-law held me tightly and wouldn't let go. She even squeezed me a few times. I couldn't help but reflexively thrust my penis deep into her vagina, spraying all the semen I had accumulated over the past few days into her uterus!
My penis was still hard after ejaculating, and I continued to insert it into my sister-in-law's vagina.

My sister-in-law, having recovered her senses, gave me a mischievous smile.

"Brother-in-law, husband, you really dared to do that!"

"You were holding me and wouldn't let me pull out." After saying that, I pulled my penis out of my sister-in-law's vagina. She quickly hugged her legs with both hands and raised her buttocks high to prevent the semen from flowing out.

"It's full, is it going to leak out? Where are the tissues?"

"It's in your bag, look for it."

I rummaged through my bag and found some tissues. Seeing my sister-in-law's posture, it looked like one of those "conception positions" taught online, allowing semen to flow into the uterus to increase the chances of conception.

"What are you doing? This position makes it easy to get pregnant! If you really get pregnant, you'll have to raise it yourself!" Judging from her posture, it didn't seem like she was just afraid of the semen leaking out.

"Yeah, don't worry, I'll raise it myself." I wondered if she was joking.

"Come on, it's too late now. Go buy emergency contraception tomorrow! Don't be in that position anymore, if the semen leaks out, just wipe it off." Saying this, I gave her a few tissues, turned around, rinsed myself in the bathtub, and went back to bed. Only then did my sister-in-law put her legs down, ran to the bathtub to rinse herself, and also went back to bed. I held my sister-in-law like that for a while, and I could tell she was also very tired; she didn't bother me anymore.

Back home, my sister-in-law contacted me remotely to control the vibrator in her office. I watched her video chat, and she seemed to reach orgasm in the office, needing to wear panty liners every day, otherwise her underwear was always soaking wet! She shaved her pubic hair every two or three days to keep her private area clean and white. They even discussed their next plans, how to seduce her sister so they could both serve me, maybe even a threesome. My sister-in-law said she was coming to my house for Chinese New Year and wanted me to come over in the middle of the night to finish off my wife first, then she could join in, and then we could do whatever we wanted. This went on shamelessly for over half a month, until suddenly my sister-in-law told me her period was several days late! I was terrified and immediately told her to buy a pregnancy test, wondering if she was pregnant! I even asked my ex-girlfriend, but she wasn't too sure about these things either. The result was a faint positive, so I had to tell my sister-in-law to go to the hospital for a checkup to see if she was really pregnant. If she was, I didn't know what to do…

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The Final Chapter of My Sister-in-Law

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