My experience of spying on and sleeping with my sister-in-law

I was born in 1976 and live in a coastal city. The following content includes my vague understanding of sex from childhood, masturbation, and later voyeurism,
having sex with my sister-in-law, etc. It is entirely based on my true experiences growing up, with no fictional elements. Because I like slender, pretty, and cute girls,
the main characters in the following content are basically this type of woman. Please forgive my poor writing.
In fifth grade, I gradually developed sexual awareness. At that time, I only had a vague liking for outstanding girls. My sexual fantasy object at that time was the class
monitor. To be honest, she was just an average-looking girl, but she was outstanding in her studies. At that time, I just wanted to see what her urination place looked like.
Later, in junior high school, after experiencing nocturnal emissions, my curiosity about girls became even stronger, but I still didn't know what sex was or how women
get pregnant . Later, when I was playing on the horizontal bar, I accidentally pressed my penis and produced a kind of pleasure. After that, I would often
pull my penis and testicles back from between my thighs, then squeeze my legs together and use my fingers to press to produce pleasure. Sometimes I would ejaculate quickly, and sometimes I would be exhausted and feel nothing. At that time, I didn't know this
was also a form of masturbation; I just found the feeling very stimulating.
My first strong curiosity about girls' bodies came in the summer after my first year of junior high school exams. The whole class went swimming at a sparsely populated rural beach.
Our campsite was just a large tarpaulin stretched over wooden stakes; there were no tents or changing rooms. The nearest outhouse was next to a large cornfield on the back hillside, where
everyone changed and relieved themselves.
Swimsuits back then weren't as varied as they are now; they were basically the high-cut swimsuits seen in "Crayon Shin-chan." There was
a girl in my class named Ping, whom the boys usually called "Barbie." She had big, dark, bright eyes with long eyelashes, fair skin, a high nose, cherry-red
lips, and natural curly hair. Although her breasts weren't big enough and hadn't fully developed, she was definitely a beauty. Many boys liked her, and
she herself was a bit flirtatious.
That day, everyone went swimming together. I was thirsty and returned to the campsite on the shore first. A few minutes later, Ping came back too. My eyes were immediately
drawn to her lower body. For some reason, the crotch of her high-cut swimsuit was tilted to one side, revealing her labia majora (at the time, I didn't know
they were called labia; I only saw some flesh showing). One edge of the fabric was deeply embedded in the cleft of her lower body. Her skin was already very white, and with it being her
inner , the white flesh was swaying right in front of me. I was completely mesmerized.
I thought to myself: "Her flesh down there is so white; why didn't it open up a little more?" I wanted to masturbate somewhere secluded, so I went to the outhouse immediately.
Thinking about Ping's exposed flesh pressing against my penis, I suddenly heard girls talking nearby. It was Ping and another girl named Xiu. The men's and women's restrooms were
next to each other, separated only by a curtain made of last year's corn stalks tied with rope, forming a wall. There were gaps in some places. I quickly moved
closer , and peeked through the gaps. I saw Xiu urinating, but I could only see her side profile. She was wearing a swimsuit, and it seemed she was pulling on the fabric at her crotch
while urinating.
Ping was standing directly in front of her when Xiu suddenly said, "Ping, why is your crotch tilted?" Ping looked down and said, "I'm wearing my sister's swimsuit. It's a bit big, too
loose. Could you help me re-tie the straps?"
After Xiu finished urinating, she stood up and helped Ping adjust her clothes. Ping turned around to face me, and Xiu said the straps were too heavy to pull, so she took them off and helped her
remove her swimsuit completely. Ping's entire vulva was now fully exposed to me. It turned out she only had a few very short hairs on her genitals, just above the labia majora
. Her entire vulva was smooth and incredibly white. And thinking back, I don't think I saw any labia minora (now I realize it was probably because she hadn't fully developed yet
). My eyes were only about a foot away from Ping's vulva, and I could see it clearly. Looking at her breasts, they were incredibly small, almost undeveloped,
with nipples like two tiny pink peas. Ping stood naked in front of me for a few minutes, then got dressed and left.
I ejaculated quickly, my mind filled with Ping's vulva. Afterwards, I was completely distracted. Because Ping was the cutest and most unique
girl I knew, and the first girl whose entire body I had seen, and because I later actually slept with her, this memory is particularly vivid.
During the summer when I was in my final year of junior high, there was a girl in my class who was sexually active. We all saw her underwear, but she didn't tell the teacher. So, a few of us would often find opportunities to touch her breasts and genitals through her clothes. She still did
n't tell the teacher, and sometimes she wouldn't even flinch; she would even smile at us.
So we grew bolder and bolder. One day during PE class, everyone went to the playground, but I and two other boys left her in the classroom
. We pinned her down and pulled down her pants. Then we ran off with the pants. She chased after us in the classroom, naked from the waist down,
begging for the pants back, covering her genitals with her hands. We ran with her pants all the way to the corridor. She stood at the classroom door, too afraid to come out. We told her that
if she let us touch her, we'd give her the pants.
She agreed. Back in the classroom, she stood next to her seat, allowing us to touch a woman's body directly for the first time: soft breasts, slightly hard
nipples , and a lot of hair on her vulva, forming a two-finger-wide black, hairy strip running along her labia. Her breasts were much larger than Ping's. Three people, six hands,
roamed over her body. She only symbolically dodged, panting heavily. We touched her all over, mainly focusing on her genitals. We noticed her lower body was wet, and we joked that she hadn't cleaned herself properly after urinating. At the time, we didn't know we could penetrate her, so we just stroked her labia and vaginal opening with our fingers
, smearing the sticky fluid on our hands onto her buttocks. This continued until almost the end of class before we let her put her pants back on. We brought our hands to our noses and smelled them; they smelled very pungent.
After that, we frequently looked for opportunities to touch her, usually during PE class or something. Since she was in her third year of junior high, she had evening self-study sessions, usually until 8:30 PM.
After school , it was already dark, so the three of us would take her home via a long, detour, a road outside the school's back wall. It was almost deserted, and the streetlights were all broken. We
would always start touching her halfway home, and she would only offer token resistance, eventually stopping and just laughing as we touched her.
Then one day, someone came up with the idea of making her take off her pants and walk with us naked. Naturally, she refused, so the three of us pulled down
her pants together. We walked in front, forcing her to follow behind. After that, we frequently forced her to walk with her pants off, sometimes even taking off her clothes and making her carry us.
We ran around naked in our schoolbags (I later learned that in Japanese culture, this is called "outdoor exposure"). This went on for over half a month. One day, we had a sudden day off. Since it was
during the day we couldn't play outside with her, we went home with her. No one was home, so the three of us stripped her naked, and the four of us shared a bed, touching her all afternoon.
A few days later, she transferred schools because of moving, and I never saw her again. It's a bit of a regret that I was too naive back then and didn't understand sex; I only knew how to touch.
Later, in high school, I gradually learned that I could also use my hand to stroke my penis up and down, and I could ejaculate just as easily, and it felt even better. I also began to understand that sex
involves penile penetration. At this point, my desire for women became stronger, and I masturbated frequently.
In winter, I even masturbated in the classroom. My deskmate was an average-looking girl. During self-study, I wore a loose coat,
pulled my pants down to my thighs, and stroked my penis up and down. When I was about to ejaculate, I would squeeze it between my thighs, letting the urethral opening face downwards, continuing to stroke until I ejaculated on
the floor, and then immediately wiped the semen clean with my foot.
Later, I discovered that my deskmate's water cup was on the radiator next to me, so I secretly took it to collect my semen. After ejaculating, I would put it on the radiator, where it would dry quickly.
Sometimes my deskmate would just take it and pour water from it to drink. I wonder what that water tasted like. Sometimes I would masturbate while talking to my deskmate;
it felt particularly stimulating. Our school was in an old building with outhouses, located outside the teaching building, right outside the back door. However, you had to go down four steps,
directly opposite the toilet door. The building entrance was less than 3 meters away from the toilet door. The men's toilet door was on the right, and the women's toilet door was on the left, separated by a wall. Inside the women's toilet, there were two rows of
squat , about 20 in total. In
the men's toilet, there were several squat toilets near the entrance, with urinals at the very back. The partition walls between the squat toilets were only about 1 meter high. If a girl
urinated , someone standing on the steps at the entrance of the teaching building could see her head and shoulders. I noticed some girls often urinated in the stalls closest to the door, so I would often
stand on the steps while they were urinating, pretending to wait for the men to come out, actually to peep at them urinating and pulling up their pants, though unfortunately I couldn't see anything.
Later, I discovered some girls would frequently glance at the men's room from the steps, especially a flirtatious girl from a humanities class who
would , even standing on the steps like me.
So, I would often urinate in the first stall near the door at lunchtime; due to the angle, she could clearly see my penis, and after she left, I would
masturbate inside. One of my classmates got together with the school beauty, a girl named Lian. This girl was very distinctive; her nose, eyes, and mouth were all relatively small,
and her body was slender, a typical petite and delicate figure, but she had a pair of very large breasts. At the time, I didn't know her bra size, but now I think it was probably a D or E.
In the summer, we went swimming at the beach together. The shower facilities there were very basic, just a simple
metal . Looking at Lian's body in her swimsuit, I wanted to have sex with her and fondle those big breasts.
When I went to shower, I found that there was only a thin layer of fiber cloth between the men's and women's shower stalls, so I burned a hole with a cigarette butt. Holy crap! I actually saw Lian, whom I had been admiring for a long time, and
another girl go into the shower. There was no one around at the time, so I watched and masturbated naked. I saw Lian slowly take off her two-piece swimsuit (probably because
her breasts were too big, the one-piece couldn't support them), and her huge breasts jumped out. Then Lian slowly lathered her breasts with soap, circle after circle. At that moment, I really wanted
to rush over and lather her breasts with soap. After wiping her breasts, Lian started taking off her swim trunks. She had a lot of pubic hair, vertically shaped, and was lathering it with
soap, slowly rubbing it. I was getting really aroused. Then another girl finished showering and came over to join in, reaching out to touch Lian's breasts,
saying that her breasts were so big because men often touched them (damn! These women!). I noticed her pubic hair was inverted triangle shape (I later learned that many
women have vertical or inverted triangle pubic hair). This girl's breasts were the same as Ping's breasts I saw three years ago; her nipples were only the size of peas, her breasts
were barely developed, but her pubic hair was very thick. Watching the two of them joking around while showering, I quickly ejaculated again.
Back then, I took the bus to school every day. It was always crowded. There was a girl from the next class named Di who was my type. We took the same bus, and I would often squeeze
behind her when it was crowded. When the bus swayed back and forth, I would take the opportunity to gently touch her buttocks. One night, it was dark, and the lights weren't on in the bus. I secretly
took out my penis and rubbed it against her buttocks, eventually ejaculating on her pants. After that, I often looked for other pretty girls on the bus and ejaculated on them.
Later, when I went to university, I started frequently peeping at girls urinating because the university toilets had wooden doors, and there was about 10 centimeters of space between the bottom of the door and the ground.
The fifth floor of the teaching building where I had classes was usually unused, except for a few dozen people attending tutoring classes in the evenings, many of whom were preparing for the adult college entrance examination.
It was an excellent place for peeping. After entering the women's restroom, there was a sink on each side, and two steps forward, there was another door with four squat toilets, two on each
side. Because the second door opened inwards, and the cleaning lady usually opened the inner door wide and fixed it, the door to the first
squat toilet on the left was mostly blocked. Although you could get in, very few people used it. I would often go in about an hour early, close the door behind the first squat toilet
, and wait with only a crack. Usually, people would come long before class, and at that time, there were very few people using the restroom, so it was almost safe. I would
peek at what the girls looked like through the crack in the door. After they entered the squat toilet and locked the door from the inside, I would quietly come out and lie on the ground to peek from under the door. Sometimes, when I saw someone defecating, I would masturbate
while watching.
The first girl I saw was very short. She came in and started urinating loudly, clearly having held it in for a long time. Her pubic area was covered in dark, fuzzy hair. After she
finished urinating, her buttocks moved up and down, like a man swinging his penis, but I could still see water droplets clinging to her pubic hair. After she got up and pulled up her pants, I went back to
my squatting spot behind the door to wait for new prey.
Later, I saw many more girls. Some had large labia with lots of hair, while others had very small labia, just two thin flakes. Once, a
very cute little girl, wearing a black hot suit, ran in, closed the door, and started urinating rapidly, making "ah...ah" sounds. Her pubic
hair was barely visible, just a few strands. Her labia were thin, and her buttocks were also very thin. I saw her urine running down her buttocks. After she finished, she
wiped herself clean with toilet paper.
Some girls didn't even wipe before putting on their pants and leaving. I wonder if wearing wet underwear is comfortable. And some girls often didn't close the door and just squatted down to urinate.
I noticed a pretty girl who looked a bit like Dong Jie in "The Story of a Noble Family." She appeared to be around 20 years old, with
perfectly applied makeup and stylish clothes. She often arrived at the classroom well early and went to the restroom when there were fewer people, sometimes waiting until about 1 minute after class started.
She would go 10 minutes before class ended, always choosing a time when there were few people, but she always used the second stall from the right, which was diagonally opposite me.
She never closed the door, not even the main door. She would often squat by the toilet, peeking out the door while looking, and almost always peeing
outside the toilet bowl. Another time, she was defecating, looking outside as she did so. Apparently, women can enjoy thrills too.
The most enjoyable day was when she came in a few minutes after class started, hanging her backpack on a corner of the stall door. That day, she was wearing a white shirt and light yellow pants. She
squatted down and started urinating, but after finishing, she didn't stand up. She half-squatted, bending over, and looked out. She peeked out to see if anyone was there, and she didn't
hear any footsteps . Then, she boldly stood up, naked, and moved her feet to the stall doorway. Leaning forward, she reached into her backpack hanging on the door to get something. Her pants had already slipped down
to below her knees, with only her bright red lace panties still hanging above them. I never expected such an innocent-looking girl to wear such mature underwear. She took out a small item from
her backpack . At this moment, her body was facing me, and I could clearly see her pubic hair, just a sparse vertical line, which seemed
a little yellow. I could see her labia minora protruding slightly. She tore off a panty liner from her panties, looked at it, and casually threw it on the ground, then replaced it with another one.
After pulling up her red panties, she rubbed her crotch a few times, probably because the panty liner was uncomfortable. After she left, I immediately picked up the panty liner from the floor.
It was clean, just a little damp. I smelled it and felt incredibly excited. The fragrance was very faint but incredibly alluring. I immediately started masturbating while smelling the liner and
ejaculated in a few strokes. (Later, I searched the whole supermarket and found out it was a Sofy scented ultra-thin panty liner, available in 20-piece and 40-piece packs. If you're interested, you can buy
some and try them; they really do stimulate libido.)
The next day, it was the same slut again. She arrived long beforehand, wearing a short skirt that exposed her knees. She had just lifted her skirt, taken off her underwear
, and wasn't even fully squatting down when a young girl suddenly ran in. She quickly stood up and pretended to tidy her clothes. Only after the young girl finished urinating did the slut feel relieved enough to pull
her skirt up, take off her underwear to her knees, and squat down. But she only urinated a very small amount. Then, I saw her pull a red and white cotton swab out of her vagina.
It turned out she was menstruating and was using a tampon.
Overjoyed, I quickly increased the speed of my masturbation. After she finished urinating, she wiped her genitals with a tissue, peeked outside, and then
slowly stood up, covering her vulva with a tissue in one hand. At this point, she was only wearing white underwear hanging on her knees. With her other hand, she took a new
cotton swab , squatted down, spread her labia with one hand, and slowly pushed the cotton swab in with the other, panting with her eyes closed as she pushed,
until it was completely inserted, leaving only a white thread outside her vagina.
Afterward, she put a panty liner on her underwear, slowly stood up, put on her underwear, and pulled down her skirt. Then, she even did a few steps in place, probably to feel
whether the cotton swab felt comfortable inside. Afterward, she laughed a little before leaving, unaware that I had already ejaculated while she was inserting the cotton swab into her vagina. During my university years,
I looked at the pubic hair and vulva of at least 200 women.
My first job after graduation was at a four-star hotel. The staff toilets were in a corner of the basement, separated by men's and women's stalls. Each toilet was about 6 square meters, with
two squat toilets taking up 2 square meters. The squat toilets were almost 1 meter higher than the floor, with a few centimeters of space under the partitions. The men's and women's toilets were the same, except the men's toilets had urinals.
During the night shift, there were fewer people. My office was right at the stairwell, and whenever a woman came downstairs, I would follow her. Once she went in, I would quietly open the door. If she squatted down,
I would go in and get a closer look at her vulva. The one I remember most vividly was Ying, the beautiful receptionist. She looked very slender, but when I saw her buttocks and vulva,
I realized she was quite mature.
Her pubic hair was quite thick and extensive. Even around her anus, there was some hair. When she urinated, the stream of urine was clearly visible, and
when she finished and shook it, her labia and anus would open and close. Later, I met Ping, the first girl I'd ever seen completely in junior high. She was still so beautiful; her hair was now
blonde from styling, her eyes were still so big and bright, her skin still so fair—a classic Barbie doll. Her breasts were also much fuller than when she was a child.
She was being kept by a man who rented our hotel's office space long-term. He was from out of town and traveled all over the country frequently, and he'd booked her
a long-term private room at our hotel. She often came to chat with me. One night, when I was on the night shift, she came to me after drinking. She said that the man had found another woman and
had sex with her in front of her, saying he would continue to support both of them, and if she didn't want to, she could get out. She
was crying as she spoke. Then we started having sex. She guided my penis with her hand and inserted it, ejaculating after only a few thrusts, and her movements were very uncoordinated.
She snuggled against me and whispered that I was clumsy. I told her it was my first time, and she suddenly stared at me with wide eyes. Then she started to service me with her mouth. Her warm
little mouth took my limp penis in, and it immediately became hard again. She licked my glans with her tongue, sucking hard with each stroke, while her hand touched my testicles below. I
suddenly felt like ejaculating and told her to take it out of her mouth. She immediately pressed her fingers between my scrotum and anus, and with three fingers of her other hand, she pinched the area near
the coronal sulcus of my glans . Slowly, I didn't want to ejaculate anymore. It seemed she was very experienced. She said that the boss often couldn't last more than a few thrusts before ejaculating, so she used this method
to prolong the time. And he always ejaculated in her mouth and made her swallow it.
After a while, I said it was okay, but she continued using her mouth, asking if I wanted to ejaculate in her mouth. I said if it disgusted me, then I shouldn't. She continued
licking, sucking, and touching, even taking my testicles into her mouth and gently swirling them around with her mouth and tongue. Then she took my penis deep into her mouth (my penis is 15
centimeters long, I measured it myself). Finally, she sucked and rubbed the glans forcefully, and I finally ejaculated in her mouth. My mind went blank; I didn't even
react to her talking, my eyes staring straight at the ceiling.
After a while, I came to my senses. She whispered in my ear that my semen tasted better than that fat guy's. I said, "Don't you think it's dirty?" She said, "You're a virgin,
you're clean." That night, we did it four times.
In the days that followed, we often found opportunities to have sex. Sometimes she would call me, and I would tell her I was with my girlfriend. She would always tactfully say, "Let's do it
another day ." And when we had the chance, she never complained. This continued until she went abroad, and we stopped having sex. She was a woman I admired more than any other woman, including my wife and sister-in-law.
Later, I changed jobs and became the customer service manager at my current company. My sister-in-law, Hui, graduated from university and asked me to help her find a job, so I...
I was assigned to the front desk of the building. Hui was a very thin girl, born in 1982, 1.65 meters tall and weighing only 90 kilograms. She had fair skin and
thin lips, which was my type, so she was often the object of my fantasies. However, her appearance gave people a rather childish feeling, not matching her actual age, like
a little girl , but her personality was very flamboyant and flirtatious.
Because we had a lot of contact, and because of my wife, we got along quite well, and sometimes we would go out together. The lobby on the first floor was open,
but you had to go through a closed glass door to enter the elevator and take the elevator upstairs. You needed a special card to open the door, so
there were very few They were mostly residents of the upper floors who had restrooms on their own floors.
Inside the lobby glass door, besides the elevator, there was only a business center selling airline tickets and providing typing and printing services. There were three beautiful women and one man inside.
The three women were all very pretty. The small restroom inside the door was used by the four of them and the receptionists in the lobby, including my sister-in-law.
The bathroom was tiny, with only one sink and two stalls side-by-side, one for a man and one for a woman. The floor inside each stall was about 10 centimeters higher than the outside, and there
was a gap of about 10 centimeters under the door—a design practically designed for peeping.
When I had nothing to do, I would wander around the area under the pretense of work, and if I saw a beautiful woman go in, I would follow her in and peek from under the stall door. I
had countless times; I could recognize them by their feet and shoes. One of the women used panty liners every day, and when she had her period, she
used tampons and then another panty liner—she really didn't mind the hassle.
Watching her spread her labia and insert tampons while menstruating, panting heavily, made me want to have sex with her. Later, I saw my
sister-in-law She went in, quickly took off her pants, and started urinating. I watched closely as the stream of water gushed out from her bright red vulva, and my penis was already rock hard—after all,
it was the first time I had ever seen my sister-in-law urinate. Hui's labia were thin and not very fleshy, but she had a lot of hair, covering her entire vulva. After urinating, she carefully
wiped her labia with a tissue and then started fiddling with her underwear. That's when I noticed that her underwear seemed to be lace, light blue. (Later, in the lobby,
I saw through her white shirt that her bra was also blue, so it must be a set.) I realized she didn't seem to be getting up; she was going to defecate. I was truly lucky;
seeing my sister-in-law's vulva for the first time allowed me to masturbate.
I quickly and quietly locked the toilet door from the inside, completely pulled off my pants and hung them in the men's restroom, then lay on the floor and peered inside. I saw Hui's anus and labia
moving slightly, her anus more noticeable, bulging outwards with each movement, slowly pulling out a very thick piece of stool. It was a slow process, and Hui started straining
, probably because it was so thick.
From my angle, it looked like a large penis was having anal sex with her. Occasionally, a little urine would leak out, along with a white liquid.
Do women also produce vaginal fluid when they defecate?
I ejaculated shortly after. I peeked a few more times after that, and each time the feeling was different; I often masturbated while watching. Later, I lost
interest in other women completely, only wanting to masturbate while looking at Hui's genitals. I don't know when Hui discovered I was peeping at her. One time, I saw her go into the bathroom, so I followed her in.
She closed the door in the women's restroom, and I squatted down to look inside. I noticed Hui was squatting but hadn't taken her pants off. Just as I was wondering about this, she suddenly pushed the door open. I froze,
speechless for a long time.
Hui spoke first, saying, "Brother-in-law, how long have you been peeping at me?" I could only say I didn't mean to (I was truly speechless). She actually laughed. She said she had seen me peeping at her
several times through the side crack of the door, asking why I did this. I could only say that my wife, her sister, didn't have a strong sex drive. Then it suddenly dawned on
me: she said she had seen me peeping at her several times but hadn't said anything, which meant she liked being watched.
I deliberately asked her why she came even though she knew, and she accused me of being hypocritical and tried to catch me. So I took the opportunity to hug her and start kissing and groping her,
and she started to reciprocate. Just as I was about to take off her pants and have sex with her, she said no, afraid of being seen. Coincidentally, we had already arranged to go to the beach together the next day.
Hui has a boyfriend who is her college classmate, a rather bookish guy, the same type as my wife, a bit silly. The next day, the four of us went to a
beach that a friend had rented. I set up the tent first, and my wife and her younger sister's boyfriend went swimming first. The two of us waited for them to come back in the tent.
Hui lay down pretending to sleep, and I started to gently caress her small breasts. I think she wears an A cup; her breasts are small, but when I reached inside her swimsuit and
touched them directly, they felt quite nice. Her nipples were already hard.
As I touched her, she started breathing heavily. The moment I touched her lower body, she immediately rolled over and kissed me. I slipped my fingers inside her crotch, and as soon as I touched
her labia, I felt how wet and sticky my hand was. It turned out this girl was already overflowing with vaginal fluid.
I teased her, calling her a slut. She said her boyfriend had no passion whatsoever, and she felt nothing during sex with him. The moment my fingers touched her
clitoris and hugged me tightly, moaning incessantly, her legs clamped tightly together. I rubbed her hard a few times with my fingers, and she started trembling all over,
saying, "Don't stop, don't stop..." I continued rubbing for about several tens of seconds until she orgasmed, clinging to me tightly. It seemed she really needed someone to fuck her
properly .
I laid her flat, pulled open the crotch of her swimsuit a little, spread her legs, and pressed myself against her. My penis slid in easily, and I slowly began to thrust.
She cooperated, moaning. As I thrust faster, her moans intensified. Afraid of being heard outside, I covered her mouth with my hand. Her vagina was slippery
and hot, and incredibly tight. After about five minutes, I felt her vagina getting hotter and hotter, and she released a large amount of fluid. She bit my hand hard with her teeth, her
arms and legs gripping me tightly as she reached orgasm. I felt I was about to ejaculate, so I leaned down and bit her ear, saying I was going to ejaculate inside her. She was almost frantic, saying,
"Brother-in-law, husband, shoot me to death..." I thrust rapidly dozens of times and ejaculated all my semen into her body.
After resting for a few minutes, my friend came over and said he had gotten a 60-horsepower small yacht to take us to a small island not far from the shore. It was deserted, and
the seawater was clean. I told them to take the yacht, and I'd paddle in the inflatable raft I brought. Hui said she wanted to ride in an inflatable raft too, so my friend took my wife and Hui's boyfriend,
along with food and a tent, and they left on the yacht first. I paddled slowly by myself, and Hui half-lay on me, looking up at the sky.
She told me her boyfriend said it wasn't hygienic to use her mouth, so they'd never used it. I said my sister said the same thing, but she liked me to use my mouth.
Hui said, "Brother-in-law, I want to eat your big cock," and then she rolled over and pulled down my swim trunks, taking my penis into her mouth. My penis quickly became hard again under her little mouth's
ministrations . Since we were quite far from the shore and there was no one else around, I asked her to take off her clothes, and we did 69-style oral sex. It was my first time doing this.
I observed her vulva up close. Her labia minora were pink with a dark red line along the edge. Looking inside, it was a very light pink. I
gently licked her vulva with my tongue. She just breathed heavily, her mouth filled with my penis, moving her head up and down. Gradually, her vaginal fluid, slightly salty, flowed into my mouth.
I blocked her vaginal opening with my mouth and sucked hard. She started to open her mouth wide and moan, "Ah...ah..." I told her not to spit out my penis, and she obediently
took it back into her mouth. I lifted her legs and pressed her head between my thighs, then began to use two fingers... I inserted my penis into her vagina while rapidly licking her clitoris with
my tongue . She immediately became incredibly aroused, making continuous "mmm..." sounds through her nose, and her hands and feet began to flare and kick. I
held her buttocks tightly with one hand and continued to rapidly lick her clitoris, while my fingers increased the speed of my thrusts. After kicking her legs a few times, she stopped moving. I
knew she had orgasmed, and I couldn't help but ejaculate into her mouth. She had never tasted semen before and coughed nauseously. After rinsing her mouth with seawater, she
said, "Brother-in-law, you're so naughty. You didn't even tell me you ejaculated. I swallowed some of it. It's so disgusting."
I asked her if she enjoyed it, and she said it was amazing. "Brother-in-law, you're so good at this. I want more." I said, "There are many more ways to do it in the future. I guarantee you'll be thrilled." Then, while I was
paddling the inflatable boat, she used her slender hands to scoop up seawater and wash my penis.
There was no other opportunity that day, so we didn't do it again. After that experience, we often found opportunities to have affairs. I worked the night
shift , resting in my office on the 10th floor. Hui also worked the night shift every six days, resting in our office as well. So she
switched shifts, ensuring we could spend one night together each week.
We often made love passionately on my desk. Sometimes, feeling it wasn't exciting enough, I'd take her to the hallway on that floor, since it
was just the two of us on the 10th floor at night. My chair had wheels, and one night I reclined it, had her lean forward, and I held her thighs with both hands
, thrusting into her while pushing her forward like a cart.
We walked all the way to the restroom, and she said she wanted to see what the men's room looked like. I carried her in from behind, my penis still inside. The urinals were mounted on the wall.
I had her spread her legs wide, step on the bottom edge of each urinal, and squat down, leaning forward. I thrust into her like that, making her urinate. She said she
couldn't urinate, so I said if she didn't, I'd insert it into her anus. She managed to squeeze out a little bit.
I wrapped one arm around her thigh and continued thrusting into her. She leaned forward, her head drooping down, almost touching my leg. Her legs stretched back, clamping my
thigh . I used my other hand to stimulate her anus, and she started screaming wildly, immediately reaching orgasm. I ejaculated into her body in the same position.
During my time working here, I also secretly observed a female colleague named Yan. Yan was only 1.62 meters tall, 31 years old, divorced for two years, and had never
had children , but she looked only 21. She usually liked to wear clothes similar to super short cheongsams, those one-piece Chinese-style outfits, with buttons
slanted from the neckline to the armpits and then running vertically down. The skirt just covered her buttocks, making her look a bit like a restaurant waitress, but she wore them with a special
charm.
One day, a few of us were working overtime. I saw her tuck a colorful, multi-core ballpoint pen into her breast pocket, take a pack of tissues, and go out. I followed her
to the restroom. Since the cleaning staff left all the restroom doors open when they left work that night, I could see her feet sticking out from under the second stall.
I quickly went in to get a closer look. Because she was wearing a onesie, she had pulled her skirt up, leaving only her underwear hanging on her thighs. Her white buttocks and
thick pubic hair were visible. She hadn't urinated much; after she finished, she wiped herself with tissues. I quickly left, but she didn't flush or stand up. I
waited in the men's restroom for about two minutes, but she didn't come out. So, I boldly went back for another look and discovered that she was masturbating, using the ballpoint pen from her pocket!
My blood pressure spiked instantly. Watching the ballpoint pen in her hand slide in and out of her vagina, while my hand stroked my penis, I saw white
fluid dripping from the pen. She was moaning inside, and the pen moved faster and faster. I masturbated while watching her, ejaculating within
minutes, before she even reached orgasm.
I quickly went to the men's restroom to clean myself up, then went back to my office to wait for her. As soon as she entered, I said, "Hey! Perfect timing, can I borrow your ballpoint pen for a bit? I
need colored refill." Her face flushed, but she still gave me the pen. After she left, I smelled the pen's pungent odor and ejaculated again. However, worried
she might resist and not wanting to ruin things, I didn't dare force myself on her.
I also saw a very alluring girl named Yan while working here. She was a real young woman, probably born around 1984 or 1985. She was fair-skinned and pretty.
Her boyfriend was the security manager of our company, and his office was next to mine. This young woman's family owned a large fast-food restaurant. She usually drove a
blue Volkswagen Bora and would often pick her boyfriend up from work. Sometimes she would arrive early or her boyfriend wouldn't finish work, so she would wait here. I would always enthusiastically
pour her water, though my real intention was to help her get to the restroom quickly.
This silly girl often fell for my kindness. She usually wore sportswear and looked very simple, as if she didn't wear makeup at all. But
her skin exceptionally good, fair and rosy, so tender it looked like you could squeeze water out of it. She had big, bright eyes, arched eyebrows, thin lips, and her mouth always had an upward curve,
giving the impression of a naturally smiling face. She really did look a bit like Fan Bingbing.
The first time I saw her vulva, I didn't even have time to pull my penis out; I just rubbed it a few times through her pants before ejaculating inside (how unlucky!).
I saw each time she urinated, she carefully pulled her pants down to her knees. I noticed that her underwear was usually quite plain, mostly white, but
it didn't look cheap; most of it had lace trim or was entirely lace-patterned, very artistic.
When she urinated, the flow wasn't strong, and there was a loud hissing sound, probably because her labia were too tight. The urine always flowed slowly,
but it didn't run down her buttocks. Each time, she carefully wiped her entire vulva with tissue paper, gently dabbing off the water, as if afraid of
damaging it.
Besides my sister-in-law, my favorite thing to watch is this girl named Yan peeing. Her tender vulva is irresistible to touch. Her thighs are slender and white, and
her pubic hair isn't very thick, but it seems to be vertically distributed. A few times when I was having sex with my sister-in-law, I actually thought about this little girl.
To sum up my voyeuristic experiences, I've probably seen the vulvas of 400-500 women. My biggest regret is not being able to have
sex with that slut who always peeks while peeing, or my colleague's girlfriend, Yan. However, having had sex with Ping and my sister-in-law makes my life worthwhile. Fellow voyeurs might want to keep an eye out for those around them.
There will definitely be opportunities in the restroom, but remember to be careful.
[End]

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My experience of spying on and sleeping with my sister-in-law

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