A female graduate student's confession

I'm a graduate student at Zhejiang University, and during my studies, I met a very promiscuous woman.

She was a junior in my lab, a second-year graduate student named Liu Jia, 25 years old. She was very tall but had a very well-proportioned and sexy figure. Her buttocks were arguably the sexiest part of her body—round, firm, and exceptionally perky. She also had long legs and a very slim waist. She liked to wear her hair in a ponytail, which made her look especially youthful and beautiful. Combined with her very innocent and cute baby face, it would make any man's mind wander.

She was a very nice person, very lively and adorable; you could say she was the flower of our lab.

She also had a boyfriend who loved her very much.

Her boyfriend lived in the lab next to ours.

Our lab was large, with many rows of computers, and everyone was separated by partitions.

There weren't many people in the lab, especially at lunchtime.

The lab door was an electronic door; only members of the lab could open it from the outside.

I sat in the same row as her, but she was the first seat in our row closest to the door, so I had to pass her seat every time I went in or out of the lab.

At first, whenever I passed behind her, I would sneak a peek at her breasts from above and behind, while she was engrossed in her screen and completely unaware. Especially in the summer when she wore thinner clothes, I could sometimes even see half a breast and her cleavage from above.

Such a pure and beautiful woman, and I was witnessing such lewd scenes.

Every time, it made me incredibly hard.

I really wanted to use her cleavage to give me a blowjob and then ejaculate on her innocent face.

Later, I gradually became unsatisfied with this thrill, and I started paying attention to her personal belongings.

Her drawers seemed to be frequently unlocked, and when they were, I could peek inside.

Actually, she didn't have many things—mostly books, printed papers, and the like—but I always found small packets of instant coffee, so she seemed to be a coffee lover.

Although I never found anything, the feeling of voyeurism was incredibly exciting, and my heart would race every time.

Later, I also discovered that during her period, there would sometimes be a large or small pack of sanitary napkins in her drawer, which felt extremely arousing to me—a stranger was going through such private things about a woman.

Later, one time I stole a sanitary napkin and took it to the men's restroom. I opened it and, imagining her beautiful, innocent face and smile, wrapped the napkin around my glans, presumably aligning it with her vaginal opening, and started masturbating, imagining my penis penetrating her vagina. Finally, I couldn't help but ejaculate on it, a lot of it.

Another time, I was using the internet in the lab when I noticed her opening a drawer and rummaging through things. She then took a wad of white stuff and left.

Hearing her high heels fade into the distance, I immediately crouched down and opened her drawer. Inside, I found a newly opened pack of sanitary napkins.

I knew she was on her period and probably needed to change.

So I immediately opened the door and ran to the restroom, squatting in the men's room to wait.

Soon I heard the sound of flushing, then the sound of high heels, which gradually faded away.

I slipped out and lingered at the women's restroom entrance for a while.

Our graduate lab is on the 5th floor, and it's not frequented. Plus, the layout of our school's teaching buildings is complicated. If you're standing at the women's restroom entrance, you can only be seen from the stairs; you can't see from any other direction. As long as you're sure you don't hear footsteps going up or down the stairs, there shouldn't be a problem.

After waiting a while and not hearing anyone inside, just to be safe, I walked into the women

's restroom with normal steps. I suppressed my nervousness and walked all the way to the back, finding all the stall doors marked as empty. I was overjoyed. Then, based on the length of the footsteps I heard her close the stall door and leave, I deduced she must have been in a stall further inside.

So I searched each stall one by one, checking the wastebaskets. Finally, I found a freshly used sanitary napkin covered with several sheets of toilet paper in one stall.

I could still feel its warmth in my hand.

I locked the door and began to examine this treasure closely.

The flow seemed quite heavy, with a large, thick, dark clump of menstrual blood in the middle.

I held it to my nose and smelled it. There was a mixture of blood, stench, and the scent of a young girl's body. My penis instantly became very hard.

Liu Jia, you never expected this, did you? The usually pure and cute you, I actually saw this filthy stuff coming from your lower body.

Later, I also found a few of her pubic hairs stuck to the adhesive sides of the sanitary napkin. I plucked them and kissed them, as if I were kissing her genitals.

Then I put them in my pocket, held the sanitary napkin in one hand, and started masturbating with the other, finally ejaculating my thick semen onto her menstrual blood.

When I left, I didn't throw the sanitary napkin back in the trash can. Instead, I laid it out in front of the toilet stall so any girl coming in could see it, and clearly see my semen covering the menstrual blood. But I wanted her to see the sanitary napkin herself.

Afterwards, I found an opportunity to slip out of the women's restroom and return to the lab.

I saw her boyfriend standing next to her seat, saying something, while she was intently watching the screen.

I returned to my seat, took out her pubic hair from my pocket, and stroked it with my lips while stealing glances at her innocent face and listening to her sweet voice. Her boyfriend, oblivious to the fact that his girlfriend's pubic hair was being held by a stranger, felt incredibly satisfied.

Later, I became interested in her cup. She was usually not in the lab at night, so I started taking opportunities to masturbate with her coffee cup, ejaculating into it and smearing the cup with my hand, especially rubbing the area where she would drink water several times.

Then I poured out the excess

, leaving a thin layer of semen in the cup.

The next day, she and her boyfriend came to the lab. Her boyfriend was reading, while she made instant coffee and began to savor it, occasionally laughing and joking with her boyfriend.

Watching her thin lips touch the area where I had touched her semen, watching her drink the remaining semen in front of her boyfriend, I felt incredibly aroused and immediately went to the men's restroom to masturbate.

For a period afterward, I satisfied myself in this way.

However, something happened during a lunch break that changed everything.

It was lunchtime. Liu Jia made coffee and then started resting on the table. At first, her face wasn't facing me, so I didn't pay attention. Later, I don't know when, she turned her face towards me and lay down on the cushion to sleep.

Looking at her long eyelashes and beautiful face, I got hard again. Suddenly, I saw the coffee she had just made right in front of her head, and... I had another wicked thought.

I pretended to go to the bathroom and went past her twice, trying to be as quiet as possible each time, carefully observing her reaction and listening to her breathing.

Later, I realized that her breathing was very loud, so she must have fallen asleep.

I quietly walked to her side, observed her for a moment, and confirmed that she was asleep. Then, I carefully unzipped my pants and took out my penis, which was as hard as a steel rod. Her head was at the same height as my lower body.

My penis was less than a foot away from her face, and I began to masturbate carefully in front of her. The stimulation was indescribable.

She was dressed very innocently and sexily today, in a white shirt and denim mini-skirt.

Her snow-white thighs and calves were exposed.

Today, she had her hair tied in a ponytail, which, combined with her pure and beautiful face, felt incredibly appealing.

But she was completely unaware that an ugly penis was right in front of her beautiful face.

I imagined what it would feel like for her to suck me, and how smooth it would be to rub the head of my penis against her beautiful face.

I quickly felt I couldn't hold back any longer.

Feeling close to ejaculating, I aimed my penis at the coffee cup in front of her and ejaculated a thick, copious amount of semen into it, watching it slowly condense into a thick mass in the coffee.

At first, I was worried, but after stirring it with my finger, the semen sank to the bottom, and I carefully withdrew.

Later, she woke up, and I became nervous again.

She went to relieve herself and then tidied up the table for a while.

When she picked up the coffee cup, my heart nearly jumped out of my chest. Without thinking, she immediately put her mouth to the cup and started drinking.

My breath almost stopped; I thought, "Do you know you're drinking my semen?"

Suddenly, she seemed to choke on something and abruptly put down her cup.

I was startled.

Then, with a packet of water in her mouth, she looked up and put her hand to her lips, fiddling with two fingers. I saw her slowly move her hand away, and between her fingers and lips, I saw a milky-white thread.

I was stunned. Wasn't that my semen? What an obscene sight!

Suddenly, the thread broke, half falling onto her fingers and half onto her chin.

She immediately grabbed a tissue, wiped the semen off her hand, and then wiped her lips and chin.

Throughout this, she kept a mouthful of coffee in her mouth.

After smearing the semen on the tissue, she began to examine it.

Just then, she suddenly turned her head and looked in my direction, our eyes meeting as I was peeking at her.

I immediately jumped back in surprise.

Out of the corner of my eye, I noticed she glanced at me for a moment, then turned away and tossed the tissue into the trash can.

I assumed she was throwing away her coffee, but her actions stunned me. She picked up the coffee and continued drinking, eventually finishing it in one gulp.

I turned back in surprise, watching this scene. After she finished, she suddenly turned back towards me, and I immediately looked away again. But in the instant my gaze left her face, I saw a faint smile… That night, back in my dorm, I tossed and turned, constantly pondering the meaning of that smile.

The next day, when I arrived at the lab, she was already at her seat. As I passed by, she looked up at me, and our eyes met. I could sense something strange in her gaze.

I couldn't concentrate in the lab all morning.

After lunch, I returned to the lab and saw her boyfriend there. When she saw me come in, she got up from her seat and said to her boyfriend, "I'm taking a nap, you should go take a nap too," before walking towards me. I noticed she was holding a coffee cup.

I was so nervous I didn't dare look at her. I walked past her with my head down, greeted her boyfriend, and went back to my seat.

A little while later, she came back with coffee, and her boyfriend left.

After putting down the coffee, she glanced at me, then put a cushion on the table and started taking a nap, still facing me, with the coffee cup still in front of her.

Wasn't this the same as yesterday? I was very surprised.

Was she hinting at something? But what if she was trying to seduce me and then catch me to report me? Time passed quickly, and I didn't know what to do.

She woke up, glanced at me, and started drinking her coffee. After finishing, she glanced at me again.

This happened for the next few days.

I didn't dare do anything.

Two weeks later, one afternoon, I was browsing porn after lunch when I noticed she had suddenly returned, made coffee again, and started sleeping.

I looked at her face, my mind still pounding from watching porn, and decided to investigate.

I followed the same method as before, first walking around behind her, then quietly approaching her. Finding no reaction, I discreetly unzipped my pants, released my penis, and began masturbating in front of her, just like yesterday.

I stared at her face.

Suddenly, her eyelids twitched. I was startled, stopped what I was doing, and remained frozen, my penis still facing her face.

Then I could see her eyes moving inside her eyelids.

Had I woken her up with too much noise? If she were going to wake up, she wouldn't be so early; she usually sleeps for at least 40 minutes.

If she was awake, there was no way to hide now; she would see the man's penis as soon as she opened her eyes.

After about two minutes of stillness, I felt her breathing become steady again, so I carefully began masturbating again, finally ejaculating into a coffee cup. This time, I decided to test her, letting the semen float on the rim of the cup, and then I even managed to get some of the remaining semen from the glans onto the part of the cup that she would touch when drinking.

Then I returned to my seat and nervously waited for her to wake up. Half an hour later, she woke up.

I pretended to be playing a game, but I was observing her actions out of the corner of my eye.

She first looked under the covers, then at me, then picked up the cup and buried her head in it, examining it closely.

At this point, my hands were trembling a little from nervousness.

Suddenly, she put the cup to her lips and started drinking! My feelings at that moment were a mix of surprise, joy, and confusion—a whole host of emotions suddenly surged within me.

This time, she drank without stopping until she finished.

After finishing, she glanced in my direction again and put the cup down.

Then she sat down and started looking at the computer, everything seemed normal.

I felt that my test had succeeded.

After that, almost every few days, I would masturbate in front of her during my lunch break, ejaculating into a coffee cup, which she would drink every time.

Later, a few times, I could clearly feel her waking up, but she didn't open her eyes.

So I became bolder.

One time, after lunch, she and her boyfriend went into the lab together.

Later, when she was sleeping, I noticed a small, boxed cream cake next to her coffee cup.

I immediately felt very excited, so this time, after masturbating, I ejaculated directly onto the cream on the cake. If you looked closely, you could see the semen. Sure

enough, when she woke up, the first thing she saw was the cake. She picked it up, examined it closely for a while, glanced at me, and then started eating it intently with a small, two-pronged plastic fork.

It seems this beauty has a taste for this.

Haha.

One day, I struck up a conversation with her about the lab's cleaning schedule, and then I took the opportunity to ask for her QQ number, which she refused. She suggested we exchange phone numbers so it would be easier to stay in touch.

I was overjoyed, thinking my romantic encounter was about to begin.

But later, I received a message from her, also about the cleaning schedule.

Then I started texting with her, and we kept in touch quite often over the next few days. The conversation gradually became more open. When I jokingly tested her reaction, she texted back saying she'd found out about my affair, but she wasn't disgusted and sometimes even found it exciting. However, her boyfriend treated her very well, and she couldn't betray him.

I replied that I understood.

Later, she said that she'd woken up several times and hesitated to open her eyes because her boyfriend had never shown her anything; they'd only ever kissed. She said her boyfriend had asked to have sex with her, but she'd refused, saying she'd wait until after marriage. She still had a strong curiosity about men, but ultimately, she was too shy and scared to open her eyes.

She also said she'd never tasted a man's semen before; I was the first.

Hearing this, I felt incredibly lucky.

This beautiful, innocent girl, a virgin, whom she hadn't even managed to seduce with her boyfriend, was willing to taste the semen of someone she had no relationship with.

I secretly started to think that I could also get her virginity.

Later, I started a text message offensive, constantly teasing her.

I told her that she could open her eyes when I masturbated at noon.

It took me a long time to finally get her to relax.

That noon, I was still masturbating in front of her. She finally opened her eyes, glanced at me, and immediately closed them again, her cute little face blushing.

I thought it was incredibly cute and incredibly exciting.

I whispered, "Touch it." After hesitating for a few minutes, she opened her eyes and touched my glans with her hand. I felt her hand was cool, it felt so good.

I stopped masturbating, moved my hand away, and let her hold it.

She hesitated for a while before grasping my hard, hot penis with her little hand.

I was completely out of control at this point, and kept telling her I wanted her to give me oral sex.

After hearing this, she immediately withdrew her hand and shook her head.

After I asked her several times, she still refused. Later, I still ejaculated into a cup, and she still drank it.

That night, I texted her again, repeatedly trying to persuade her, saying how beautiful her mouth was and how much I'd enjoy it if she gave me oral sex.

I even told her that since she'd already drunk my semen, it wouldn't make a difference if I just ejaculated into her mouth.

She said she needed to think about it and couldn't accept it yet because it felt like betraying her boyfriend.

For the next few days, I kept trying to persuade her, and even stopped ejaculating into her, just to annoy her.

Finally, she agreed, but said it couldn't be in the lab, in case we got caught.

So I suggested the women's restroom.

She agreed.

The next day at noon, I told her to get ready and go to the women's restroom first, and if no one was there, to text me which stall she was in.

After receiving her text saying she was in the innermost left stall, I immediately got up and went out, lingering at the restroom entrance, looking for an opportunity to enter.

Surprisingly, I ran into Liu Jia's boyfriend during this time, and greeted him, lit a cigarette, and chatted with him about trivial things after he came out.

This feeling was fucking amazing! How could he know that his girlfriend was in the women's restroom, about to give oral sex to the man talking to her right in front of her?

I wanted to tell him, "Your innocent girlfriend is about to obediently suck my cock and eat my semen."

And Liu Jia could hear us talking in the women's restroom.

I wonder what she's feeling right now, hahaha.

Later, I finally found an opportunity to sneak in, knocked on the innermost stall, and Liu Jia opened the door.

I immediately slipped in and found her with her head down, her face flushed. I grabbed her.

She pushed me away, saying why I was so bad, chatting with her boyfriend.

I asked her if it was exciting. She lowered her head and didn't answer. After a while, she whispered "Mmm."

Before she could back out, I quickly unzipped my pants, unbuckled my belt, and hung them on the hook on the stall door.

My penis was already hard, pointing directly at her.

I said, "Squat down first."

She did as I said.

She wouldn't look at my penis.

I said, "Why don't you touch it with your hand first?"

So I pulled her hand to my penis, and she didn't resist. Later, I let go of her hand and let her stroke it back and forth.

She started stroking it awkwardly with her hand. Such a pure girl, with such smooth hands, no man could resist.

So I suddenly pulled her up, hugged her tightly, and started roaming over her body. I wanted to kiss her lips, but she immediately turned her face to the side, saying that she wouldn't let me kiss her, saying that the hickeys on her face would be noticeable.

After a while, I gave up and started attacking her lower body. First, I touched her full, round buttocks through her jeans, and then I caressed her breasts and waist with my other hand.

Throughout the whole process, her hand never left my penis.

Later, I said I couldn't take it anymore, that her buttocks were too sexy, and I asked her to take off her jeans.

But she said no, she could only touch it through her pants.

Later, I had no choice but to keep stroking and probing her genitals through her pants.

I could clearly see she was aroused too, so I said, "Use your mouth."

I knelt down, stroking her head, and brought my penis to her face. She didn't flinch, and the head of my penis immediately touched her lips.

It felt soft. I rubbed my penis back and forth against her lips a few times, then pulled it out. Because of excitement, the sticky fluid from the head of my penis clung to her lips, feeling incredibly erotic.

I said, "Open your mouth and take it in."

So, Liu Jia obediently opened her mouth, and I brought my penis to her lips again.

I felt like I was deflowering a virgin.

But this time, it was truly a virgin, and an oral virgin.

I slowly pushed the head of my penis into her mouth.

After it went in a little, I felt teeth.

I said, "Try not to let your teeth touch my penis." She quickly understood and opened her mouth wide.

I then held her head with both hands and began to penetrate her mouth.

At first, I couldn't get it in deeply, so I pulled out and then pushed it in again.

I looked down at her beautiful face, feeling the warm, wet touch of her mouth.

It felt like I was ascending to heaven.

After a while, I told her to try moving herself.

She then began to actively move her head back and forth, swallowing and releasing my penis.

Looking at this incredibly sexy beauty, I felt like an emperor.

Later, I couldn't take the stimulation anymore and felt like I was about to ejaculate, so I grabbed her head and began to thrust violently into her mouth.

Each thrust went deeper than the last, making her moan and whimper. I would also occasionally do a deep throat and then pull out, causing her to cough and gag. Seeing the long trail of saliva dripping from her beautiful face gave me a SM-like pleasure.

Sigh, her boyfriend is so pitiful. He has such a beautiful girlfriend but doesn't know how to appreciate her. Now I've opened her mouth and am thrusting into her like this.

I held her head again and started thrusting violently. Feeling like I was about to ejaculate, I suddenly thrust very deep and ejaculated into Liu Jia's mouth.

I felt like I ejaculated a lot, and I kept my penis in her mouth for a full 5 minutes before reluctantly pulling out.

I told her to open her mouth so I could see.

She opened her small mouth, her face flushed, and I saw the white liquid inside her red mouth in a lewd scene, which I found very satisfying.

I told her to swallow it.

She hesitated for a moment and then swallowed it.

This exciting experience was over.

After that, Liu Jia started giving me oral sex frequently.

I was always looking for opportunities to touch her genitals, but she always refused.

However, if she wore a skirt, I could touch her through her underwear.

Later, she said that sometimes touching her felt really good, and she almost wanted to give herself to me, but she still said she absolutely couldn't.

I respected her decision.

Later, however, I still touched her through her panties while she was enjoying herself, and suddenly slipped my fingers inside her panties a few times, making her incredibly wet.

She immediately pulled my hand away and said I couldn't do that, or we wouldn't play anymore. Only then

did I behave a bit.

Once, I asked her if she masturbated, and she said sometimes

, especially on nights after we'd played together.

I said I wanted to see her masturbate, to see her genitals, but she refused.

Then I had an idea. I told her she could try masturbating with my semen, that it would be very stimulating.

She was surprised, then blushed and hit me, saying I was bad.

One day, we were in the lab, and she crawled under my desk to give me oral sex. After I ejaculated, I told her not to swallow it, but to take out a small plastic bottle I had prepared and spit it in.

I told her she could use it to masturbate.

She blushed and said she didn't want to.

After much pleading, she finally accepted the bottle.

I told her to message me after she started masturbating that night.

Around 12:40 AM, I received a text from her saying she had started.

I asked if she used my semen, and she said no, she didn't know how.

I told her to pour some on her hand and then touch her genitals with her semen-covered hand.

After a while, she replied that it was very stimulating.

Then I asked her if she inserted it into her vagina while masturbating, and she said she just pressed it at the vaginal opening.

I said she could try not to insert it too deeply, and that using only one finger wouldn't break her hymen.

She said she would try.

I told her she could get my semen on her finger.

She said she was afraid of getting pregnant, and I said that semen at the vaginal opening wouldn't cause pregnancy, and pregnancy isn't that easy, otherwise there wouldn't be so many cases of infertility.

She said she would try.

Then she didn't reply to

my messages for a long time. About 20 minutes later, she replied, saying she had an orgasm, and she had inserted her semen-covered finger into her vagina as I had instructed, and it felt very stimulating, just like having sex with me.

At that moment, I was also masturbating, and when I saw her text message, I couldn't control myself and ejaculated.

I told her I had ejaculated too, and that I would save my semen for her to use next time she masturbated.

She called me bad, haha.

I'm a graduate student at Zhejiang University, and during my graduate studies, I met a very promiscuous woman.

She was a junior in my lab, a second-year graduate student named Liu Jia, 25 years old. She was very tall but had a very well-proportioned and sexy figure. Her buttocks were arguably the sexiest part of her body—round, firm, and exceptionally perky. She also had long legs and a very slim waist. She liked to wear a ponytail, which made her look particularly youthful and beautiful. Combined with her very pure and cute baby face, any man would have impure thoughts.

She was a very nice person, very lively and adorable; she was practically the flower of our lab.

She also had a boyfriend who loved her very much.

Her boyfriend lived in the lab next to ours.

Our lab was large, with many rows of computers, and everyone was separated by partitions.

There weren't many people in the lab, especially at lunchtime.

The lab door is electronic; only those inside can open it from the outside.

She and I sat in the same row, but she was the first seat closest to the door, so I had to pass her every time I went in or out.

At first, whenever I passed behind her, I would sneak a peek at her breasts from above and behind, especially in the summer when she wore thinner clothes; sometimes I could even see half a breast and her cleavage.

Such a pure and beautiful woman, and I saw such lewd things.

Every time, it made me incredibly hard.

I really wanted to use her cleavage to give me a blowjob and then ejaculate on her innocent face.

Later, I gradually became dissatisfied with this thrill, and I started paying attention to her personal belongings.

Her drawers seemed to be frequently unlocked, and when they were unlocked, I could peek inside.

Actually, she didn't have many things—mostly books, printed papers, and so on—but I always found small packets of instant coffee; it seemed she was a coffee lover.

Although I never found anything, the feeling of spying was incredibly exciting, and my heart would race every time.

Later, I discovered that during her period, there would sometimes be a large or small pack of sanitary napkins in her drawer. This felt incredibly arousing to me; it was such a private thing for a girl to be looked at by a stranger.

One time, I stole one, took it to the men's restroom, opened it, and while imagining her beautiful, innocent face and smile, I wrapped the middle of the sanitary napkin, presumably aligned with her vaginal opening, around my glans and began masturbating, imagining my penis penetrating her vagina. Finally, I couldn't help but ejaculate on it, a lot of it.

Another time, I was using the internet in the lab when I noticed her opening her drawer and rummaging through things. She then took a wad of white stuff and left.

Hearing her high heels fade into the distance, I immediately crouched down and opened her drawer. Inside, I found a newly opened pack of sanitary napkins.

I knew she was on her period and probably needed to change.

So I immediately opened the door and ran to the restroom, squatting in the men's room to wait.

Soon I heard the sound of flushing, then the sound of high heels, which gradually faded away.

I slipped out and lingered near the women's restroom entrance for a while.

Our graduate lab is on the 5th floor, and it's not frequented. Also, the layout of our school's teaching buildings is complicated. If you stand at the women's restroom entrance, you can only be seen from the stairs going up and down; you can't be seen from any other direction. As long as you're sure you don't hear footsteps going up and down the stairs, there shouldn't be any problem.

After waiting a while and not hearing any voices inside, just to be on the safe side, I walked into the women's restroom with normal steps. I suppressed my nervousness and walked all the way to the back, only to find that all the stall doors showed no one. I was overjoyed.

Then, based on the length of her footsteps as she closed the toilet stall door and left, I deduced she must have been in an inner stall.

So I searched each stall one by one, checking the wastebaskets, and finally found a freshly used sanitary napkin covered with several sheets of toilet paper in one of the stalls.

I could still feel its warmth in my hand.

I locked the door and began to examine this treasure closely.

Her flow seemed quite heavy, with a large, congealed, dark clump of menstrual blood in the middle.

I brought it to my nose and smelled it; there was a mixture of blood, a foul odor, and a young girl's natural scent. My penis instantly became very hard.

Liu Jia, you never expected this, did you? The usually pure and lovely you, I actually saw this filthy stuff flowing from your lower body.

Later, I also found a few of her pubic hairs on the adhesive sides of the sanitary napkin. I plucked them and kissed them, feeling as if I were kissing her genitals.

Then I put them in my pocket, holding the sanitary napkin in one hand and masturbating with the other, finally ejaculating onto her menstrual blood.

When I left, I didn't throw the sanitary napkin back in the trash can; instead, I laid it out in front of the toilet stall so any girl coming in could see it, and clearly see my semen covering the menstrual blood. But I wanted her to see it herself.

Afterward, I found an opportunity to slip out of the women's restroom and back into the lab.

I saw her boyfriend standing next to her seat, saying something, while she was intently watching the screen.

I went back to my seat, took out her pubic hair from my pocket, and stroked it with my lips while stealing glances at her innocent face and listening to her sweet voice. Her boyfriend, completely unaware that his girlfriend's pubic hair was in a stranger's hand, felt incredibly satisfied.

Later, I became interested in her cup. She was usually not in the lab at night, so I started looking for opportunities to masturbate with her coffee cup, ejaculating into it and smearing the cup with my hand, especially rubbing the area where she would drink water several times.

Then I would pour out the excess.

This way, there would be a thin layer of semen in the cup.

The next day, she came to the lab with her boyfriend. Her boyfriend was reading a book, while she made instant coffee and began to savor it, occasionally laughing and joking with her boyfriend.

Watching her thin lips touch the area where I had smeared semen, watching her drink the remaining semen in front of her boyfriend, I felt incredibly aroused and immediately got up and went to the men's restroom to masturbate.

For a period of time afterward, I satisfied myself in this way.

However, something happened during one lunch break that changed everything.

It was lunch break time, and after Liu Jia made coffee, she started to rest on the table. At first, her face wasn't facing me, and I didn't pay attention. Later, I don't know when, she turned her face towards me and lay down on the pillow to sleep.

Looking at her long eyelashes and beautiful face, I got hard again. Suddenly, I saw the coffee she had just made right in front of her head, and... I had another wicked thought.

I pretended to relieve myself and went past her twice, trying to be as quiet as possible each time, carefully observing her reaction and listening to her breathing.

Later, I realized her breathing was very loud; she must have fallen asleep.

I quietly walked to her side, observed her again, and confirmed she was asleep. Then, I carefully unzipped my pants and took out my rock-hard penis. Her head was at the perfect height for me.

My penis was less than a foot from her face, and I began to masturbate carefully in front of her. The stimulation was indescribable.

She was dressed very innocently and sexily today, in a white shirt and denim mini-skirt. Her

snow-white thighs and calves were exposed.

And today, she had her hair tied in a ponytail, which, combined with her innocent and beautiful face, felt incredibly good.

But she had no idea that an ugly penis was right in front of her beautiful face.

I imagined what it would feel like for her to suckle me, and how smooth it would be to rub my glans against her beautiful face.

I quickly felt myself losing control.

Feeling close to ejaculating, I aimed my penis at the coffee cup in front of her and ejaculated a thick, copious amount of semen into it, watching it slowly condense into a thick mass in the coffee.

At first, I was worried, but after stirring it with my finger, the semen sank to the bottom, and I carefully withdrew.

Later, she woke up, and I tensed up again.

She went to the restroom and then tidied up the table for a while.

When she picked up the coffee cup, my heart pounded in my chest. Without thinking, she put her mouth to the cup and started drinking.

My breath almost stopped; I thought, "Do you know you're drinking my semen?"

But suddenly, she seemed to choke on something and abruptly put the cup down.

I was terrified.

Then she had a packet of water in her mouth, then she looked up and put her hand to her lips, fiddling with two fingers. Then I saw her slowly move her hand away, and between her fingers and lips, I saw a milky-white thread.

I was stunned. Wasn't that my semen? What an obscene sight!

Suddenly, the thread broke, half falling onto her fingers and half onto her chin.

She immediately grabbed a tissue, wiped the semen off her hand, and then wiped her lips and chin.

Throughout this, she kept a mouthful of coffee in her mouth.

After smearing the semen on the tissue, she began to examine it.

Just then, she suddenly turned her head and looked in my direction, our eyes meeting as I was peeking at her.

I was immediately startled and looked away. Out of the corner of my eye

, I saw her look at me for a moment, then turn away and throw the tissue into the trash can.

I thought she had poured out the coffee, but her actions stunned me. She picked up the cup and continued drinking, eventually finishing it in one gulp.

I turned to look at her in astonishment. After finishing, she suddenly turned back to me, and I immediately looked away. But in the instant my gaze left her face, I saw a smile… That night, back in my dorm, I tossed and turned, constantly pondering the meaning of that smile.

The next day, when I arrived at the lab, she was already at her seat. As I passed by, she glanced up at me, and our eyes met. I could sense something strange in her gaze.

I couldn't concentrate in the lab all morning.

After lunch, I returned to the lab and saw her boyfriend there. When she saw me come in, she got up from her seat and said to her boyfriend, "I'm taking a nap, you should go take a nap too," before walking towards me. I noticed she was holding a coffee cup.

I was so nervous I didn't dare look at her. I walked past her with my head down, greeted her boyfriend, and went back to my seat.

A little while later, she came back with coffee, and her boyfriend left.

After putting the coffee down, she glanced at me, then took a cushion to the table and started taking a nap, still facing me, with the coffee cup still in front of her.

Wasn't this just like yesterday? I was very surprised.

Was she hinting at something? But what if she was trying to seduce me so she could catch me and report me? Time passed quickly, and I didn't know what to do.

She woke up, glanced at me, and started drinking coffee. After finishing, she glanced at me again.

This continued for the next few days.

I didn't dare do anything.

Two weeks later, one noon, I was secretly browsing porn after lunch when I noticed she had suddenly returned, made coffee, and started to sleep.

I stared at her face, my mind still pounding from watching porn, and decided to investigate.

I followed the same method as the day before, first walking around behind her, then quietly approaching her. She didn't react, so I quietly unzipped my pants, released my penis, and masturbated in front of her, just like yesterday.

I stared at her face.

Suddenly, her eyelids twitched. I was startled, my hand stopped moving, and I remained frozen, my penis still facing her face.

Then I could see her eyes moving inside her eyelids.

Had I woken her up with the sound of my masturbation? If she were going to wake up, she wouldn't be this early; she usually sleeps for at least 40 minutes.

If she really does wake up, there's no way I can hide now; she'll see the man's penis in front of her the moment she opens her eyes.

After about two minutes of stillness, I felt her breathing become steady again, so I carefully started masturbating again, finally ejaculating into a coffee cup. This time, I wanted to test her, letting the semen float on the surface, clinging to the rim of the cup. I even managed to get some of the remaining semen from the glans onto the part of her mouth that she had to touch when drinking.

Then I went back to my seat, nervously waiting for her to wake up. Half an hour later, she woke up.

I pretended to be playing a game, but I was observing her actions out of the corner of my eye.

She first looked into the blanket, then at me, then picked up the cup and buried her head in it, examining it closely.

By this time, my hands were trembling a little from nervousness.

Suddenly, she brought the cup to her lips and started drinking! My feelings at that moment were a mix of surprise, joy, and confusion—a whole host of emotions suddenly surged within me.

This time, she drank without stopping until she finished it.

After finishing her drink, she glanced in my direction again and put the cup down.

Then she sat down and started working on her computer, everything seemed normal.

I felt my test had succeeded.

After that, almost every few days I would masturbate in front of her during my lunch break, ejaculating into her coffee cup, which she would always drink.

Later, a few times, I could clearly feel her waking up, but she didn't open her eyes.

So I became bolder.

One time, after lunch, she and her boyfriend went into the lab together.

Later, while she was sleeping, I noticed a small, boxed cream cake next to her coffee cup.

I immediately felt very excited, so this time, after masturbating, I ejaculated directly onto the cream on the cake. If you looked closely, you could see the semen.

Sure enough, when she woke up, the first thing she saw was the cake. Then she picked it up, examined it carefully for a while, glanced at me, and then started eating it intently with a small, two-pronged plastic fork.

Looks like this beauty has a thing for this.

Haha.

One day, I struck up a conversation with her about the lab's cleaning schedule. Later, I took the opportunity to ask for her QQ number, but she refused, suggesting we exchange phone numbers for easier communication.

I was overjoyed, thinking my romantic encounter was about to begin.

However, I later received a message from her, also about the cleaning schedule.

We started texting each other, and over the next few days we kept in touch frequently, gradually becoming more open. When I jokingly tested her reaction, she replied that she had discovered my affair, but she wasn't averse to it and sometimes even found it exciting. However, her boyfriend treated her very well, and she couldn't betray him.

I replied that I understood.

She then mentioned that she had woken up several times and hesitated to open her eyes because her boyfriend had never shown her anything; they had only ever kissed. She said her boyfriend had asked to have sex with her, but she had refused, saying she would wait until after marriage. She still had a strong curiosity about men, but ultimately, she didn't open her eyes due to shyness and fear.

She also said she had never tasted a man's semen before, and I was the first.

Hearing this, I felt incredibly lucky.

This beautiful, innocent girl, a virgin, who hadn't even gotten a boyfriend, was willing to taste the semen of someone she had no relation to.

I secretly started to think that I could also get her virginity.

Later, I began a text message offensive, constantly teasing her.

I told her that she could open her eyes when I masturbated at noon.

It took me a long time to finally put her at ease.

That noon, I was still masturbating in front of her, and she finally opened her eyes, glanced at me, and immediately closed them again, her cute little face blushing.

I thought it was incredibly cute and incredibly exciting.

I whispered, "Touch it." After hesitating for a few minutes, she opened her eyes and touched my glans with her hand. I felt her hand was cool, it felt so good.

I stopped masturbating, moved my hand away, and let her hold it.

She also hesitated for a while before grasping my hard, hot penis with her little hand.

I was completely out of my mind at that point, and kept telling her I wanted her to give me oral sex.

She immediately pulled her hand away and shook her head.

Even after I asked several times, she still refused. Later, I still ejaculated into a cup, and she drank it anyway.

That night, I texted her again, constantly trying to persuade her, saying how beautiful her mouth was and how much I would enjoy it if she gave me oral sex.

I even told her that since she had already drunk my semen, it wouldn't make a difference if I just ejaculated into her mouth.

She said she needed to think about it and couldn't accept it yet because it felt like betraying her boyfriend.

For the next few days, I kept trying to persuade her, and I even stopped ejaculating into her mouth to annoy her.

Finally, she agreed, but said it couldn't be in the lab, because if they found out, it would be terrible.

So I suggested the women's restroom.

She agreed.

The next day at noon, I told her to get ready and go to the women's restroom first, and if no one was there, to text me which stall she was in.

After receiving her text saying she was in the innermost left stall, I immediately got up and went out, lingering near the restroom entrance, looking for an opportunity to enter the women's restroom.

Surprisingly, I ran into Liu Jia's boyfriend during this time, greeted him, lit a cigarette, and chatted with him about trivial things after he came out.

This feeling was fucking awesome! How could he know that his girlfriend was in the women's restroom, about to give oral sex to the man talking to her right in front of her?

I really wanted to tell him, "Your innocent girlfriend is about to obediently suck my cock and eat my semen."

And Liu Jia could hear my conversation in the women's restroom.

I wonder what she's feeling right now, hahaha.

Later, I finally found an opportunity to slip in, knocked on the innermost cubicle, and Liu Jia opened the door.

I immediately rushed in and found her with her head down and her face flushed. I hugged her tightly.

She pushed me away, saying why I was so bad, chatting with her boyfriend.

I asked her if it was exciting. She lowered her head and didn't answer. After a while, she whispered "Mmm."

Before she could back out, I quickly unzipped my pants, unbuckled my belt, and pulled them down, hanging them on the hook on the cubicle door.

My penis was already hard, pointing directly at her.

I said, "Squat down first."

She did as I said, squatting down.

But she didn't dare look at my penis.

I said, "Why don't you touch it with your hand first?"

So I pulled her hand to my penis, and she didn't resist. Then I let go of her hand, letting her stroke it back and forth.

She began to stroke it awkwardly with her hand. Such a pure girl, with such smooth hands, no man could resist.

So I suddenly pulled her up, hugged her tightly, and started roaming over her body. I tried to kiss her lips, but she immediately turned her face away, saying she wouldn't let me kiss her, that the hickeys on her face would be noticeable.

After a while, I gave up and started attacking her lower body. First, I touched her full, round buttocks through her jeans, then I caressed her breasts and waist with my other hand.

Throughout the whole process, her hand never left my penis.

Later, I said I couldn't take it anymore, that her buttocks were too sexy, and asked her to take off her jeans.

But she said no, she could only touch me through her pants.

In the end, I had no choice but to keep stroking and probing her genitals through her pants.

I could clearly see that she was aroused too, so I said, "Use your mouth."

I knelt down, stroking her head, and brought my penis to her face. She didn't flinch, and the head of my penis touched her lips.

It felt soft. I rubbed my penis against her lips a few times, then pulled it out. Excitement caused the fluid from the glans to clump between her lips and the tip, making it feel incredibly erotic.

I told her to open her mouth and take it in.

Liu Jia obediently opened her mouth, and I brought my penis to her lips again.

I felt like I was deflowering a virgin.

But this time, it was truly a virgin, an oral virgin.

I slowly pushed the head of my penis into her mouth.

After a little, I felt teeth.

I said, "Try not to let your teeth touch my penis." She quickly understood and opened her mouth wide.

I then held her head with both hands and began to penetrate her mouth.

At first, I couldn't get it in deeply, so I pulled out and then pushed it in again.

I looked down at her beautiful face, feeling the wet, warm sensation inside her mouth.

It felt like I was ascending to heaven.

After a while, I said, "Try moving it yourself."

She then began to actively move her head back and forth, swallowing and spitting out my penis.

Looking at the stunningly sexy woman, I felt like an emperor.

Later, unable to withstand the stimulation, I felt I was about to ejaculate, so I grabbed her head and began to thrust violently

into her mouth. Each thrust went deeper than the last, making her moan and whimper. I would also occasionally do a deep throat and then pull out, causing her to cough and gag. Seeing the long trail of saliva dripping from her beautiful face gave me a kind of SM pleasure.

Sigh, I think her boyfriend is really pitiful. He has such a beautiful girlfriend but doesn't know how to appreciate her. Now I've opened her mouth and am thrusting into her like this.

I grabbed her head again and began to thrust violently. Feeling like I was about to ejaculate, I suddenly thrust very deep and ejaculated into Liu Jia's mouth.

I felt like I ejaculated a lot, so I kept my penis in her mouth for five minutes before reluctantly pulling out.

I told her to open her mouth so I could see.

She opened her mouth, her face flushed, and I saw the white liquid inside her red mouth in a lewd scene, which I found very satisfying.

I told her to swallow.

She hesitated for a moment, then swallowed.

That ended the exciting experience.

After that, Liu Jia started giving me oral sex frequently.

I was always looking for opportunities to touch her genitals, but she always refused.

However, if she wore a skirt, I could touch her through her underwear.

Later, she said that sometimes touching her felt really good, and she almost wanted to give herself to me, but she still said she absolutely couldn't.

I respected her wishes.

However, later, when I was touching her through her underwear and she was enjoying it, I suddenly slipped my fingers inside her underwear a few times, and it was completely wet inside.

When she felt it, she immediately pulled my hand out and said that I couldn't do that, or I wouldn't play anymore.

I then behaved myself a bit.

Once, I asked her if she masturbated, and she said sometimes.

Especially on nights after playing with me, she usually masturbated.

I said I wanted to see her masturbate, to see her genitals, but she refused again.

So I had an idea, and I told her she could try masturbating with my semen, that it would be very exciting.

When she heard this, she was surprised for a moment, then blushed and hit me, saying I was bad.

One day, we were in the lab, and she crawled under my desk to give me oral sex. After I ejaculated, I told her not to swallow it, but to take out a small plastic bottle I had prepared and spit it in.

I told her she could use it to masturbate.

She blushed and said she didn't want to.

Later, after I pleaded with her, she accepted the plastic bottle.

I told her to text me after she started masturbating that night.

Around 12:40 am, I received a text from her saying she had started.

I asked her if she had used my semen, and she said no, she didn't know how.

I said, "Pour some on your hand, and then touch your genitals with your semen-covered hand."

After a while, she replied that it was very stimulating.

Then I asked her if she inserted it into her vagina while masturbating, and she said she just pressed it at the vaginal opening.

I said she could try not to insert it too deeply, and that using only one finger wouldn't break her hymen.

She said she would try.

I told her she could get my semen on her finger.

She said she was afraid of getting pregnant. I told her that semen at the tip of the vagina wouldn't cause pregnancy, and that pregnancy isn't that easy; otherwise, there wouldn't be so many cases of infertility.

She said she would try.

Then she didn't reply to my messages for a long time.

About 20 minutes later, she replied, saying she had an orgasm. She had inserted her finger, which was covered in my semen, into her vagina as I had instructed, and it felt incredibly stimulating, like having sex with me.

At that moment, I was also masturbating, and seeing her message, I couldn't control myself and ejaculated too.

I told her I had ejaculated as well, and that I would save my semen for her to use next time she masturbated.

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A female graduate student's confession

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