Having sex with his sister-in-law on the bus

page views:1 Publication date:2023-06-11 13:04:29

My sister-in-law has been studying at university in Beijing for three years, and this was only the second time I'd seen her. She's really blossomed into a beautiful young woman! She congratulated me generously, saying I was amazing for having a big, healthy boy. I thought to myself: My little brother is the real pro; too bad you haven't had a chance to experience it.

My mother-in-law was busy looking after her grandson, while my sister-in-law was also on the edge of the bed looking at her nephew, her full buttocks facing me, revealing a faint outline of her underwear. Damn, it's been so long since I've done *that* with her sister; this is making me uncomfortable. I pretended to look after my son, rubbing my hard penis against her buttocks, my hand casually brushing against her buttocks. Ah, so comfortable.

After dinner, my mother-in-law said she wanted to stay and take care of my wife for a few days. Since my house is small, she told me and my sister-in-law to go back to her house to stay, saying I should rest for a few days and take care of my father-in-law. I was secretly pleased. Just before leaving, my wife playfully warned me not to bully her sister, and I readily agreed. I left with my sister-in-law; I really wanted to "dominate" her.

On the way, I followed my sister-in-law at a distance, my eyes glued to her full, round buttocks. Her swaying hips with each step were a rare and alluring sight. Her long, white legs, free of stockings, made me imagine what she would look like naked. My manhood unconsciously hardened, and I subtly adjusted my clothes to avoid a tent pitched in the street.

We followed her to the nearest bus stop. The bus slowly pulled up, and looking inside, it was packed with people. Without thinking, a huge crowd surged towards the still-moving bus. My sister-in-law was also caught in the throng, pushing towards the door. I quickly used all my strength to squeeze behind her. Amidst the complaints behind me, I finally managed to board the bus, right behind her. Because it was Sunday, the bus was unusually crowded, practically shoulder to shoulder. The doors finally slammed shut, and the bus started moving. People struggled to adjust their positions amidst the jolting, but the crowd quickly settled. I remained pressed tightly against my sister-in-law's back, surrounded by an impenetrable wall of people. At first, I simply pressed my body against her back. She was about my height, and her buttocks were positioned right at the triangle of my lower abdomen. With the swaying of the bus, I moved my hips, my already hard penis rubbing against the cleft of her buttocks. Through her thin clothes, I could feel the warm, fleshy texture of her body.

Since my wife gave birth, I hadn't been with a woman. Emboldened by lust, I gradually increased the pressure, pressing my hips forward against her full, soft buttocks. My hard penis began to wriggle up and down and side to side within her buttocks, and I could feel the tender flesh of her buttocks being parted. Normally, under such pressure, she should have noticed, but in such a crowded situation, it couldn't be considered intentional molestation. I gradually grew bolder, then swayed my hips, pressing my lower abdomen tightly against her buttocks—essentially a rear-entry position, though without actually penetrating.

I then boldly squeezed her full buttocks, encased in her white mini-skirt, with my hand. Suddenly, my sister-in-law turned her head, her brows slightly furrowed. Our eyes met, and my heart pounded. Just as I was about to remove my hand, she blushed and whispered, "Brother-in-law, be gentle with me,"

before quickly turning her head away. I whispered back, "There are too many people, I can't help it."

I secretly observed her face, half-hidden by her long hair; it was clear her face had turned crimson. Now, I began to caress her more freely, my hands encircling her smooth thighs, my fingers slowly slipping under her mini-skirt along the outside of her thighs. Under the cover of the crowd, no one would notice my actions. As my caresses grew increasingly unrestrained, my sister-in-law gradually stopped her futile struggles. I could feel her body trembling slightly. Hehe… I gradually increased the intensity, my hands slipping under her short skirt and resting on her plump buttocks, completely exposed outside her panties, teasingly caressing them.

My sister-in-law tightened her legs, silently enduring my harassment. I gradually lowered my guard, wantonly playing with her body. One hand continued to caress her buttocks, while the other reached forward, advancing upwards. Because she was holding the pull tab with one hand, it was easy for me to reach her full breasts. I continued moving my palm upwards through the gap until I could completely grasp her nipples, then kneaded them forcefully—perfect! My other hand also reached forward, roughly slipping under her other armpit, grabbing both breasts simultaneously, playing with them with abandon.

After touching her for about a minute, I began to escalate my attack. I slipped my hands under her t-shirt and first caressed her smooth abdomen. Perhaps due to the heat and her nervousness, her skin was sticky with sweat. Her t-shirt, obviously, did little to stop my advances; instead, it became a tool for cover. When I grasped her two large breasts again, the feeling was indescribable. I leisurely savored the exquisite feel of her breasts while twisting her nipples with my fingers. Her nipples were about the size of peanuts; I could almost feel the tiny folds on them. Soon, I clearly noticed her tender, soft nipples hardening.

Throughout this process, except for a few slight squirms when my movements were more vigorous, she remained perfectly still. My palms were on her lower abdomen, and my fingers teased her mons pubis. Under such bold caresses, she began to wriggle again. The car drove a few dozen meters before screeching to a stop. I was no longer satisfied with just her breasts.

So, with my left hand, I continued to alternately rub her two bare breasts under the cover of her t-shirt, while my right hand recklessly rubbed her vulva through her panties, simultaneously attacking her sensitive areas from above and below. Then, I gradually rolled up her skirt. My sister-in-law seemed startled by my bold harassment, glancing back at me a few times. I pretended to look out the car window, ignoring her.

Her hand, holding the plastic bag, tried to cover herself several times, but each time it touched my hand, she would frantically pull away. In this half-hearted resistance, I rolled her skirt completely up to her waist. I glanced down, and my sister-in-law's bare buttocks were immediately revealed to me, pink panties tightly wrapped around her two snow-white buttocks. I suppressed my wildly beating heart and quickly pressed my body against hers to prevent being discovered. This time, I quickly rolled up her skirt, caressing her while pressing my body tightly against hers, my erect penis rubbing against her soft buttocks through the thin white skirt.

I figured the next stop wouldn't be so soon, so I decided to savor this authentic feast even more. I temporarily released her breasts, reaching down to discreetly pull her panties aside, completely exposing my sister-in-law's buttocks. I caressed the smooth skin on either side of the cleft, my fingers lewdly grasping her buttocks and spreading them apart. My erect penis squeezed deep into the crevice, pressing against her completely naked anus through her pants, writhing in a sexually suggestive motion, fully enjoying her round, soft buttocks.

Driven by lust, I went all in, unzipping my pants and pulling out my throbbing penis, pressing it directly against her buttocks. She glared at me, then hurriedly looked around, afraid someone would see. I didn't care anymore, thrusting forcefully. The moment I touched that soft, warm flesh, I felt my blood rush to my head, my penis throbbing, almost ejaculating.

I immediately stopped what I was doing, pressed myself against her body, steadied myself, and suppressed the urge to ejaculate. I wrapped my arms around her buttocks from the sides, leaned forward, and pressed my entire body against her back, using my body to cover her bare buttocks. I glanced around; although it was unlikely anyone would notice, I still wanted to make sure. I leaned over to observe my sister-in-law's expression while continuing to slowly and firmly massage her full buttocks, fully enjoying the feel of her smooth, elastic skin. When I touched the side seams of her panties, I suddenly noticed knots on both sides. Wow, so this was the kind of panties! A bolder idea immediately popped into my head.

Originally, I only intended to touch her a few times and be done with it, because removing her panties would be too much of a movement, and people would notice. But now that it was this kind of panties, I immediately changed my mind, untied the knots, and the panties came off instantly.

My sister-in-law realized her underwear had been taken off and immediately panicked, squeezing her thighs together to try and stop me. But I wasn't about to give up. I quietly stuffed the underwear I'd taken off into my pocket. Now she was completely naked under her outer garment. I pulled down her skirt, covering my hands and penis, and gently pinched her vulva with my front hand, my fingers tracing the tender cleft. I lifted my body and forced my hot penis between her tightly closed thighs, pulling her body back forcefully, rubbing my penis against her buttocks for a while. Then I wrapped my arms around her waist, reaching my hands between her thighs from the front, touching her delicate labia. I immediately noticed the two tender lips were wet and slippery…

Wow! Was it vaginal fluid? The stickiness indicated it wasn't just sweat. I gripped the soft flesh of her inner thighs tightly, trying to pry her thighs apart. She made a final struggle, but I still managed to insert my penis between her thighs simultaneously. The next step was to hold her buttocks tightly and twist my waist in a circular motion. My penis was gripped tightly by the soft flesh at the base of her thighs, the glans rubbing against her tender, wet petals.

I moved my body back slightly, holding her waist tightly, causing her buttocks to protrude backward. My penis pressed against her petals, which were beginning to open. Because it was so slippery, and her vaginal opening was very small, I tried to insert it several times without success. So, I held her waist with one hand to stabilize her body, and with the other hand, I reached from the front to her vulva, using my hand to guide my penis into her narrow vagina. Having achieved my goal, I suppressed the overwhelming pleasure and began to thrust rhythmically with small movements. Although I couldn't fully penetrate, the feeling of my glans being tightly gripped by her smooth muscles still excited me to the point of almost fainting...

As the bus swayed, I gradually increased the intensity of my movements. One hand wrapped around her waist and pulled her back forcefully, while the other hand gripped her full breasts under her clothes. I thrust my hips forward, forcefully penetrating deep into her body. My sister-in-law's plump buttocks were pressed tightly against my abdomen. Even through her clothes, I could feel the soft flesh of her buttocks being deformed by my pressure. I paid attention to the swaying of the bus, and whenever there was a significant sway, I would quickly and forcefully thrust several times. If we were both naked, her buttocks would definitely be making a "slap slap" sound from my thrusts!

I thought to myself, it's hard to imagine that such a situation would actually happen. On a crowded bus, I was holding my sister-in-law, a beautiful female college student with her naked buttocks...

The bus continued to move slowly to the next stop. For about five or six minutes, I probably thrust in and out several hundred times. Suddenly, the announcement came over the loudspeaker: we were almost at the West Bus Station, and time was running out. I began to thrust harder, pushing my penis as deep as I could into her vagina. With each contraction of my sister-in-law's vagina, I almost cried out. Pleasure coursed through my body. After thrusting forcefully more than ten times, I groaned, and my semen spurted out, all of it flowing deep into her vagina…

At that moment, I seemed to hear my sister-in-law also letting out a moan, which no one else would notice due to the noise inside and outside the bus. Simultaneously, I could clearly feel her vagina contracting, almost clamping down on my penis. I pressed my body tightly against her back, savoring this unparalleled pleasure…

Finally, the bus stopped swaying, and with a dull screech of brakes, we arrived at the station. I quickly snapped out of it and hurriedly pulled out my penis. As it left her vagina, still slightly erect, it felt like a cork being pulled out; with the separation of our bodies, there was a soft "pop" sound, and her vagina closed again as tightly as before. The crowd started moving, and I quickly straightened my clothes, pulling down my sister-in-law's skirt as well. Her panties were still in my pocket; I didn't have time to return them! I'd deal with it when we got home.

As soon as we got off the bus, she hurried forward, constantly looking back at her backside for any signs of intimacy. I caught up with her in a few steps and apologized, "I'm sorry, I haven't been able to touch your sister in so long, I got a little impulsive, and I couldn't resist seeing you..."

She gave me a shy, half-smiling push and said, "Give me back my panties, and quickly find me a public restroom; I can't leave yours in there..."

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