A Crowded Bus, My Sister-in-Law and I


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Word Count: 4250

My wife gave birth to a healthy baby. My mother-in-law and sister-in-law came to visit. As soon as they entered the house, my eyes lit up.
A girl around 20 years old, with long hair and wearing a white skirt, was carrying a large bag of gifts. She had delicate features,
no makeup, and the air of a college student. Like a gust of wind, she rushed towards my wife and child, excitedly asking
all sorts of questions. That was my sister-in-law. I looked at her closely. She was tall, her symmetrical breasts stretched high in her white
tight t-shirt, her waist was slender, and her well-developed hips were made even fuller by the white skirt.

My sister-in-law had been studying at university in Beijing for three years, and this was only the second time I had seen her. She had truly blossomed into a beautiful young woman. She generously congratulated me, saying I was amazing for giving birth to a big, healthy boy. I thought to myself: My little brother is the real pro, too bad you won't get a chance to experience it. My mother-in-law was busy looking after her grandson, and my sister-in-law was also perched 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 little brother 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, really wanting to "dominate" her. I followed my sister-in-law at a distance, my eyes glued to her full, round buttocks. Her swaying hips were a rare and alluring sight. Her legs, free of stockings, were long and white. Imagining her naked, my manhood hardened unconsciously. I subtly adjusted it to avoid pitching an erection in the street. We arrived at a nearby bus stop. The bus slowly pulled up, and looking inside, it was packed with people. Without thinking, a large crowd surged towards the still-moving bus, including my sister-in-law.com target=_blank class=infotextkey>性釉谌肆时尚屑废虺得牛腋辖碳钩龌肷斫馐?br />I squeezed hard to get behind her. Accompanied by complaints from behind, I finally squeezed onto the bus right behind my sister-in-law.

Because it was Sunday, the bus was unusually crowded, truly shoulder to shoulder. The door finally slammed shut with a "bang," and the bus started moving. People on the bus struggled to adjust their positions amidst the bumps. Soon, the crowd stabilized.

I remained pressed tightly against my sister-in-law's back, surrounded by an impenetrable wall of people on all sides.

At first, I just pressed my body against her back. She was about my height, and her buttocks were right at the triangle area of my lower abdomen. With the swaying of the bus, I moved my waist, and my already hard penis rubbed against the cleft between my sister-in-law's buttocks. Through the thin veil, I could feel the warm, fleshy texture of her body.

Since my wife gave birth, I haven't touched a woman. Emboldened by lust, I gradually increased the pressure, pressing my waist forward against her full, soft buttocks. My hard penis began to wriggle up and down and side to side in her buttocks cleft. I could feel the tender flesh of my sister-in-law's buttocks being parted by my movements.

Logically, under this 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 waist, pressing my lower abdomen tightly against her buttocks—essentially a rear-entry position, except I didn't actually penetrate her.

I boldly gave her full buttocks, encased in her white mini-skirt, a hard squeeze. Suddenly, my sister-in-law turned her head, her brows furrowed slightly. Our eyes met, and my heart pounded. I was about to remove my hand when 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 obvious her face had turned crimson.

Now I felt free to caress her more boldly, my hands encircling her smooth thighs, my fingers slowly slipping under her 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, hidden under her short skirt, pressed against 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, attacking upwards. Because she was holding the pull tab with one hand, it was easy for me to touch her full breasts.

I continued to move 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, simultaneously grabbing both breasts and playing with them without restraint.

After touching her for about a minute, I began my more aggressive assault, slipping my hands under her t-shirt.
First, I caressed her smooth abdomen a few times. Perhaps due to the heat and her nervousness, her skin was sticky with sweat.
Because her t-shirt obviously couldn't stop my advances, it instead became a tool for cover.

When I gripped her two large breasts again, the feeling was indescribable. I calmly savored the wonderful 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 delicate, soft nipples beginning to harden.

During this process, except for a few slight wriggling movements when I made larger movements, my sister-in-law remained completely still, standing there. My palm was on her lower abdomen, my fingers teasing her mons pubis. Under such bold caresses, she began to wriggle her body again. The car drove a few dozen meters and then screeched to a halt. I began to be satisfied with more than just her breasts.

So my left hand continued on her toes...Under the cover of her T-shirt, I took turns kneading her two bare breasts, my right hand recklessly rubbing her vulva through her panties, while both hands simultaneously attacked her sensitive areas from above and below. Then I gradually rolled up her skirt. My sister-in-law seemed startled by my bold harassment, turning back to glare 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 panicked and pulled away. In this half-hearted resistance, her skirt was completely rolled up to her waist. I glanced down, and my sister-in-law's bare buttocks were immediately revealed, pink panties tightly hugging her two snow-white buttocks. I suppressed my racing heart and quickly pressed my body against hers to prevent being discovered.

This time, I quickly rolled up her short skirt, stroking 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 take it a step further and enjoy this "main course" that was right in front of me.

I temporarily released her breasts, reaching down and discreetly pulling her panties to one side, completely exposing my sister-in-law's buttocks. I directly stroked the smooth skin on both sides of the cleft, my fingers lewdly grasping her buttocks and spreading them apart, my erect penis squeezing deep into the crevice, pressing against my sister-in-law's completely naked anus through her pants, twisting and turning in a sexually suggestive manner, fully enjoying her round, soft buttocks. Driven by lust, I decided to go all in. I unzipped my pants and pulled out my throbbing, hot penis, pressing it directly against my sister-in-law's buttocks. She glared at me, then hurriedly looked around, afraid someone would see. Ignoring everything else, I thrust in forcefully. The moment I touched her soft, warm flesh, I felt my blood rush to my head, my penis throbbing, almost ejaculating. I immediately stopped, 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 looked around, knowing it was unlikely anyone would see me, but I still needed to confirm. I leaned over, observing my sister-in-law's expression, and continued to slowly but firmly massage her full buttocks, fully enjoying the smooth, elastic feel of her skin. As I touched the side seams of her panties, I suddenly noticed knots on both sides. Wow, so that's what kind of panties they are! A bolder idea immediately popped into my head. Originally, I only intended to touch them a few times and be done with it, because taking off her panties would be too much of a movement, and people would notice. But now that they were this kind of panties, I immediately changed my mind, untied the knots, and the panties came off instantly. My sister-in-law realized her panties were being 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 panties I'd taken off into my pocket. By this time, her body beneath her outer garment was completely naked. I pulled down her skirt, covering my hands and penis. My hands reached forward and gently pinched her vulva, 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 tightly around my sister-in-law's waist, reaching my hands between her tightly closed thighs from the front. Touching her delicate labia, I immediately found the two tender flesh there wet and slippery… Wow! Could it be vaginal fluid? The stickiness indicated it wasn't just sweat. I gripped the soft flesh of her inner thighs tightly, trying to pry her tightly closed legs 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 firmly gripped by the soft flesh at the base of her thighs, the glans rubbing against her tender, wet petals. I moved my body back slightly, simultaneously holding her waist, causing her buttocks to protrude backward. My penis pressed against her beginning-opening petals. Because it was so slippery, and her vaginal opening was very small, I tried several times to insert it 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 until it finally entered her narrow vagina.

After achieving 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 carriage 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 from below. 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 the curtain, I could feel the soft flesh of her buttocks being deformed by my pressure. I paid attention to the swaying of the carriage, and whenever there was a larger sway, I would quickly and forcefully thrust several times with my whole body in coordination. If we were both naked, her buttocks would definitely be making a "slap slap" sound from my thrusts!

I thought to myself, it's unbelievable that such a situation could happen. On a crowded bus,
I was holding my sister-in-law, a beautiful female college student, her bare buttocks... The bus continued to move slowly to the next stop.
For about five or six minutes, I must have thrust in and out several hundred times.
Unconsciously,
the bus announcement came on, the West Bus Station was approaching, time was running out.

I began to increase my movements recklessly, trying to push my penis as deep as possible into her vagina. With the contractions of my sister-in-law's vagina, I almost cried out. Pleasure spread throughout my body. After thrusting hard more than ten times, I groaned and ejaculated, all of my semen shooting into the depths of her vagina... At this moment, I seemed to hear my sister-in-law also letting out a moan that she tried to hide, but due to the noise inside and outside the bus...a href=http://www.687bo.At the same time, I clearly felt her vagina contracting in waves, almost clamping down on my penis. I pressed my body tightly against her back, enjoying this unparalleled pleasure. Finally, the carriage stopped shaking, and with a dull screech of brakes, the train arrived at the station. I quickly came to my senses and hurriedly pulled out my penis. As my still-soft penis left her vagina, I felt like a cork being pulled out. With the separation of our joined bodies, there was a slight "pop" sound, and her vagina closed tightly again, just like before. The flow of people began to move, and I quickly tidied myself up, of course, 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 to her! I'd deal with it when we got home.

As soon as she got off the car, she hurried forward, constantly looking back at her backside to check for any signs of tampering. I caught up with her in a few steps and apologized, "I'm sorry, I haven't been able to touch your sister in a long time, I was a little impulsive, and I couldn't resist seeing you..." She shyly pushed me away with a half-smile and said, "Give me back my underwear, and quickly find me a public restroom, I can't leave yours in there..."