In biology class, the teacher actually used me as a teaching material!

This post was last edited by laopupu on 2019-06-18 at 11:41.

My name is Wang Zi, and I'm currently a third-year student at a fairly good local high school, preparing for the college entrance exam. Speaking of our school, not only is the school atmosphere conservative, but the teachers are also very strict. Furthermore, our school uses a gender-segregated class system.

So, my class is entirely male.

In other words, poor me, from the first year of high school until now, almost two years, I haven't had a single opportunity to get close to girls, even though the class next to ours is a girls' class. The students from both classes rarely interact. Uh… or rather… I don't dare.

In my memory, there were a few couples who exchanged affections in the corridor, but under the patrol of the instructors, they all heroically sacrificed their lives for the country.

Since then, no one has dared to cross the line and do anything that the school wouldn't tolerate.

Oh, and by the way, all the subject teachers in my class are men. What about the teachers next door? Yes, just as you guessed, it's all girls.

This school is just that weird.

Our classroom is located in the very corner of the campus, basically next to the wall.

This detached building has five floors. Our classroom is the second to last one on the fifth floor. Outside the wall is a large expanse of farmland. Looking out the window, I occasionally see a few farmers working there, which is my only entertainment during class.

Although I'm always distracted in class, I always manage to be in the top three after every test, so even though many subject teachers grumble about me, they just go along with it.

In class, I'm considered quite robust, 175 cm tall and 70 kg, which is just right. Plus, I'm a good athlete, so there are some muscles hidden under my clothes.

Even in a uniform, I look strong and imposing.

However, because of this, I became the "textbook" for the girls' class next door.

Although the students from the two classes rarely interact due to school rules. But teachers are different, so our advisor (note: mentor) often agrees to some strange conditions and requests from the female teachers next door in order to please them… Yes, it's about “teaching materials.” Whenever the girls' class next door needs to demonstrate sports in PE class, they ask our advisor to find one of the class's athletes to demonstrate the more technical moves, such as a basketball dunk or a soccer bicycle kick, etc… “Uh… Prince.” Our advisor patted my shoulder, pulling me back from my reverie as I was staring out the window, about to leap out.

“Huh? Boss, what is it now?” I asked slowly, coming back to my senses.

"Another assignment." "What assignment?" "The class next door..." "No way..." Before the teacher could finish speaking, I interrupted, "You're going to be a teaching material again?" "Yeah, yeah, for class later..." "Please, can you refuse once in a while..." I said weakly, "Demonstrating is tiring." "That teacher always makes me do such difficult demonstrations, I'm not even sure I can succeed 100%." "Besides, I'm terrified of embarrassing myself!" "That class is all girls!" I shook my head vigorously, "Boss, you should find someone else!" "Oh, you're the most relaxed one in this class, and you're the best at it, you're the perfect choice!" The teacher gave a sly smile.

"Oh, no way." I refused decisively. "Don't worry.

" The teacher patted my shoulder, "The next period isn't PE, you don't have to work so hard." "Huh?" Thinking about it carefully, the next period really wasn't PE.

"So what's the purpose this time?" "The next period is biology class." "Biology class?" "Yes, biology class." "As a teaching material?" "Yes, as a teaching material." The teacher and I chatted back and forth, his attitude very certain.

"What kind of teaching material would I use?" I really couldn't think of anything difficult to demonstrate in biology... "Oh, you're asking me? How would I know? I don't teach biology." "Anyway, just hurry up and report to the next class." "But I..." Before I could finish speaking, the teacher pulled me up from my chair, pushed me out of the classroom, and smiled at me with a smug look: "I'll treat you to lunch!" That damned teacher, always using me as a tool to pick up girls, using me to gain favor with female teachers, you don't deserve to be a teacher... You'll be punished by heaven... "Ding-dong! Ding-dong! Ding-dong!" Just as I was muttering curses at this teacher who sells students for beauty, the school bell, which I really didn't want to hear, rang out.

Oh no, class is starting. Sigh... Even though I was extremely unwilling, I could only walk step by step to the girls' classroom next door. Huh? Strange, the girls' classroom is different from usual?

Pink curtains completely covered the classroom, making it impossible to see inside from the outside. Even if it was sunny today, it shouldn't be so dark inside that we couldn't have a lesson.

Besides, lessons are supposed to be conducted in a well-lit environment... Filled with questions, I walked to the front door and tried to open it. Strangely, no matter how I twisted the doorknob, it wouldn't respond. Why was even the front door locked...? "Knock, knock, knock..." I gently knocked on the door.

"Snap..." The biology teacher opened the door.

"Who are you?" The teacher quickly looked me up and down.

"Uh, I am..." "You're the teaching material sent by the teacher next door, right?" "Ah, yes." "Then come in quickly." The teacher pulled me into the classroom and locked the door. I turned to face the class, and sure enough, my worst fear came true: a group of forty or fifty girls, more than a hundred eyes staring at me, and a few girls chatting and laughing inside.

My heart started racing. This must be what people call stage fright… The female teacher walked to the podium, beckoned to me, and gestured for me to come up.

“Class, do you feel that today’s class is different from usual?” the teacher said with a smile.

“Today we drew the curtains, and we even borrowed a textbook from the next class. Actually, today, I’m adding a little something new to our traditional teaching style.” “And, I’ve prepared a new lesson today!” The teacher winked at me.

That wink sent a chill down my spine… The female students below were also chatting amongst themselves, occasionally glancing up at me carefully, and “casually” listening to the teacher.

“Isn’t that the guy who demonstrated dunking in PE class?” “Yeah, he’s good-looking and quite strong!” “I wish I could be chosen today…” “Oh… don’t be ridiculous, it’s definitely me… hehehe…” I vaguely heard conversations like this… What were they talking about? What were they choosing?

Today's lesson has added another big question mark... While the teacher was preparing to explain the lesson content, I, standing on the podium, didn't let my eyes rest. I took advantage of this break to carefully scan the female students in the class and found... the girl named "Wanqi." I had heard her classmates call her that during the previous few PE classes. For some reason, I noticed her the moment I first entered this class.

She was very ordinary. But there was something extraordinary about her ordinariness.

Judging from my observation, she was about 165 cm tall, with a slender figure, weighing about 40 kg. She had long, shoulder-length, jet-black hair that shone brightly under the fluorescent lights.

Her oval face, framed by bangs, made her large eyes appear particularly bright.

Based on my observations over the past few times, she wasn't usually very talkative. Even when many girls were whispering amongst themselves, she remained quietly seated. Therefore, I figured she was the "ice queen" type.

"Alright, students, please stand here now." The teacher's gentle voice snapped me out of my reverie.

"Oh...okay..." I snapped out of my thoughts and stood beside the podium as instructed.

"Class, I think you all know what class we're having today, right?" "Yes..." The students below nodded in unison, replying in unison.

"Although everyone was taught about this kind of thing in elementary school, and some people even experienced it in middle and high school," the teacher said, "these people are still a minority. And most people have only seen it on TV; they haven't had the chance to see it in person, let alone experience it firsthand." "So, today I'm being extra thoughtful and borrowed a boy from the next class to give everyone an unforgettable memory." The teacher said happily.

"Uh… teacher…" I raised my hand.

"Wait… what am I supposed to do?" I asked, voicing the question that had been lingering in my mind since entering the classroom.

"Huh? Didn't your advisor tell you?" The teacher stared at me, wide-eyed.

"No… my advisor just told me to report here." "Hmm… no problem, I'll tell you now." "Actually, today is a special lesson I arranged. The course is called…" The teacher suddenly paused.

"What's it called?" I continued.

"Reproduction." "Reproduction???" "Yes, reproduction." The teacher nodded.

"From childhood to adulthood, the only knowledge about this subject is taught in elementary school health education about male and female reproductive organs. After that, no courses cover this topic. Knowledge about reproduction is limited to descriptions of small animals or plants." "Due to the constraints of our society's social norms and etiquette, these things are often considered dirty and corrupting. But it is precisely because these things are not approved by social norms and society that countless lives are created. Even so, many young people like you still have only a superficial understanding of this subject." "That's why I want to incorporate this kind of subject into my classes. That's why I invited you here to make the lessons more lively and engaging." The teacher winked at me again, and as usual, I shivered… "So, what should I do next?" "Just do as I say." The teacher smiled: "Don't worry too much, okay?" "Oh…" At this point, the audience started to murmur again.

Looking at the expressions on the girls' faces, I could only think of the phrase "eager to get started"... But Wanqi remained unfazed, quietly sitting in her seat reading her book.

"Alright, let's begin class." The teacher gently tapped the desk.

"I believe that you all have a good understanding of yourselves, that is, of your female reproductive organs, but I think you still have a limited understanding of male reproductive organs, right?" "Yes, yes!" The girls below the stage responded in unison.

"Excuse me, could you please take off all your clothes?" The teacher turned to me, who was standing next to the podium.

No, no way. Take off my clothes?

I've been influenced by Confucianism and Mencius, and my thinking is still quite conservative.

Today, I'm being asked to undress in front of forty or fifty girls. If word gets out, how will I ever face anyone again... especially if it gets to the class... I'll definitely be in big trouble.

Instantly, I realized my face was flushed and felt extremely hot.

My heart rate spiked to another high point.

"Class, please start from the first row and line up in front of this boy." After the teacher finished speaking, the students stood up one by one, preparing to move towards me. But my hands remained motionless; simply put, I was so nervous my whole body was stiff.

Then, the girls lined up in front of me, each with an expectant, nervous expression, occasionally whispering, nodding, and smiling.

I snapped out of my daze and looked at the girl standing in front of me. She was just up to my chest, looking up at me with a smile.

"So...so cute..." That was the thought that crossed my mind at that moment.

"Student, I didn't expect you to be so indecisive," the teacher said with a wry smile.

"Xiaoling, why don't you help him take off his clothes?" "Okay!" The girl in front of me responded, then placed her hand on the buttons of my uniform on my chest and skillfully unbuttoned them.

"Uh...classmate..." I was so nervous I couldn't even speak clearly. I think my expression must be hilarious.

So, nervously, I stood there by the podium, completely still, letting this female classmate slowly remove her top. Then, she placed her hand on my chest, slowly sliding it down to my abdomen and belt. She quickly unbuckled the belt, then slowly slid her hand down to my zipper, gently pulling it open from top to bottom, occasionally glancing up at me with her big eyes.

When our eyes met, her hand, taking advantage of my inattention, slipped inside my zipper and gently pinched my penis. I jumped in fright, my body trembling, and she quickly withdrew her hand.

Then she stuck out her tongue at me and gave a mischievous smile. Then she obediently pulled down my pants and underwear.

At that moment, I could truly say I was completely at ease facing this group of girls… Damn it, in front of this large group of girls, my penis inexplicably became erect.

It was utterly humiliating.

"Wow, it's so big!" "Wow...it looks so dark!" "Look, it's even red at the front!" "Don't be silly...that's called the glans!" The girls couldn't hide their excitement as they discussed my penis with their classmates. Some girls, I don't know what they were saying, huddled together, laughing loudly. Instantly, the classroom became a noisy mess, turning into a bustling market. Faced with this situation, I was at a loss and could only stand there dumbfounded, grinning foolishly, letting them use me as a living textbook... At that moment, I really wanted to find a hole to crawl into... "Alright, everyone, let's be quiet." At this moment, the teacher slightly quieted down the students' noise.

"Now, according to the order of the line, each person has ten seconds." "During this time, you can use your hands to touch this student's genitals!" "However..." The teacher deliberately raised her voice and then smiled: "Don't squeeze it hard!" Oh my god...being used as a living textbook today is bad enough, but now I have to be touched too, I'm going to go crazy!

"T-Teacher..." I looked at the teacher, trying to stop her.

But before I could finish speaking, the girl in front of me, named Xiaoling, reached out without hesitation and grabbed my penis.

My body trembled slightly, and my little brother seemed to have a tube added, instantly swelling up again in her hand.

"Wow, so hard." This girl named Xiaoling rubbed my little brother while looking up at my expression, as if she had discovered a very novel toy, and chuckled.

"Hehe..." The teacher couldn't help but smile at my nervous expression.

"Alright, classmate, time's up. Next one." Hearing the teacher's words, the girl released her hand from rubbing her penis.

Then she looked up and gave me her usual smile.

In that instant, my already racing heart skipped a beat.

And this was just the first one… As soon as the girl let go, my little brother stood erect in mid-air, and after the rubbing, the pink glans was almost completely exposed. My little brother was not only hot, but also trembled slightly with the rhythm, as if greeting these girls… Seeing my little brother like this, these girls seemed even more excited; the words “can’t wait” were practically written on their faces… Shortly after the girl in front of me walked towards her seat, the girl behind her quickly stepped forward and stretched out her devilish hands, starting to grope my little brother, not even sparing the two bags below… And so, my precious thing was rubbed and played with by one thirsty girl after another. I think I should be the first man whose little brother has been touched by more than fifty high school girls… Ten seconds per person, one finished and the next one on, not giving me any time to catch my breath.

When there were less than five girls left in front of me, I let out a slight sigh of relief.

Just as I was feeling relieved that this terrible dream was finally coming to an end… suddenly someone appeared, making my heart skip a beat.

Yes, it was her.

The girl who always made my gaze linger—"Wanqi."

She looked up slightly, her large eyes timidly meeting mine. In that instant, amidst my rapidly beating heart, I felt another slight twitch. Unlike the other girls, she didn't stand quietly in front of me, head bowed, hesitant to extend her hand.

"What's wrong, classmate?" "There are other people behind us!" The teacher noticed Wanqi's inaction and reminded her. Wanqi slowly shifted her gaze to my face, nodded gently, as if apologizing, and then lightly touched the head of my penis with her index finger.

"Hmm…" I sighed involuntarily… This feeling… is so hard to describe… Besides being similar to the touches from the other girls, there seemed to be something else mixed in, but it happened in that brief moment, and even I couldn't quite describe the feeling.

However, one thing is certain: this feeling goes far beyond mere excitement.

"Ah..." Wanqi looked up at me with a guilty expression: "I...I'm sorry..." Such a gentle voice...this feeling...it's like...like cotton wool falling in the air... "Time's up." Just as I was about to reply "It's okay," the teacher beat me to it, reminding Wanqi that time was up.

Wanqi looked at me, bowed slightly, then turned and quietly walked back to her seat. This feeling contrasted sharply with the noisy girls below.

I don't know if I saw it wrong, but as Wanqi walked back to her seat, I thought I glimpsed her turning back to look at me...and less than a minute later, the girls behind her finally finished examining my little treasure and happily returned to their seats.

Whew…it’s finally over…Just as I breathed a sigh of relief, the teacher spoke…“Classmates, I believe you all have a basic understanding and experience with male genitalia.” “However, did you know?” “When a man’s penis receives more and greater stimulation than before, its original length and width can increase to twice its original size, or even more!” “For example, continuously rubbing it with your hands, allowing your visual senses to receive more stimulation, etc. Of course, there are many, many ways to stimulate the penis, too many to list at once.” The teacher spoke casually with a smile. As soon

as the teacher finished speaking, the girls in the audience began to stir again.

“Alright…alright…now, is anyone interested in trying?” Immediately after the teacher finished speaking, more than a dozen female students raised their hands.

“Teacher…I want it.” “Teacher, I…” “No way!” I turned my head, eyes wide, looking at the teacher with a surprised expression: “It’s not over yet?” Such voices echoed from below the stage, the noisy audience completely oblivious to my feelings… Now, I seemed to understand the feelings of a lab rat locked in a laboratory… “Hmm…you’re the one, Xiaoling!” The teacher beckoned to the first student in the first row, signaling her to come to the podium. It was her…the first girl who had held my precious thing in her hand and played with it.

“Xiaoling, now you can do whatever you want, stimulate it properly.” The teacher said to her with a smile.

“Okay!” She nodded, looking at me with a smile.

“Well, handsome…I won’t be polite.” As soon as she finished speaking, she squatted down in front of me, then grabbed my penis, her thumb rubbing the glans from time to time, and then her whole hand moved up and down, even more intensely than the first time.

Her other hand didn’t forget to play with my duffel bag.

And so, my little brother was being played with to my heart's content by a complete stranger.

"Mmm..." I couldn't quite handle the stimulation and let out a sound. She seemed to notice my moan, looked up, smiled at me, then moved her hand to the base of my penis, pressed her face against it, and took the head and shaft of my penis into her mouth.

A moment later, she stirred her tongue around the urethral opening.

Then, she took my entire penis in her mouth as if she wanted to swallow it whole.

So...so good.

"Ah..." I cried out involuntarily.

It felt like putting my finger in a perfectly warm spa and having dozens of jets of water of varying strength spraying it from below.

But the feeling of her sucking on it was even more pleasurable. Looking up, I saw her in front of me, sucking on my penis up and down, and behind her, a group of girls who had somehow appeared to watch.

"Look, his face is so red!" one girl said, pointing at my face.

"Yeah, he should be enjoying it!" another girl chimed in.

"Hey, how are you feeling right now?" another girl asked bluntly.

Faced with the questions from a group of curious girls, and with my little brother being sucked by another girl right in front of them, I

felt a mix of pleasure, embarrassment, and a desire to cover my head with a paper bag. This complex mix of emotions made it impossible for me to think clearly; I could only manage a stupid, bitter smile.

In this situation, inversely proportional to its owner's mood, it seemed to have reached its peak. My entire penis felt incredibly numb, and with her sucking on the glans, my swollen penis twitched with a series of sensations that felt incredibly pleasurable. But it seemed as if something wanted to burst out of my penis. This numb sensation spread throughout my body, and I almost couldn't stand. I looked at the onlookers with a strange expression, reaching out to grab the podium to steady my swaying body.

"Xiaoling," the teacher noticed my expression and quickly patted her shoulder, "That's fine now." As soon as she finished speaking, Xiaoling obediently pulled my penis out of her mouth. Instantly, my penis felt as if it had been reborn, and the twitching and swelling gradually subsided as she stopped.

"Hehe, classmate, is this your first time?" The teacher patted my shoulder, as if she had discovered something.

First time? If it meant my little brother was being sucked by a girl, then it really was my first time. I'm usually not interested in these kinds of things, let alone discussing them with my classmates, let alone having had that kind of experience before.

And just as it was released from the mouth of that girl named Xiaoling, my little brother was covered in her saliva, looking wet and sticky... Its length and radius were more than twice as big as usual.

"Wow, just like the teacher said, it's gotten so big." "And it's standing so straight, almost touching his stomach." The classmates watching started discussing my little guy. I breathed a sigh of relief and didn't think much of it, but I unconsciously wanted to look for Wanqi's figure in the crowd, hoping that she wouldn't look at me with any special eyes. Strangely, after quickly checking everyone in the crowd in just a few seconds, I didn't see her.

So, I instinctively looked towards her seat.

Sure enough… she wasn't watching the commotion with the crowd, but quietly reading a book.

“Excuse me, is there a girl you like in this class?” As I searched for Wanqi, I vaguely heard the teacher say this to me amidst the noisy laughter.

However, I didn't answer the teacher directly. Wanqi sat quietly reading, seemingly engrossed. I quietly watched her through the gaps in the crowd, observing her beautiful and earnest expression.

In that instant, time seemed to stand still.

“Hehehe…” The teacher chuckled softly beside me, as if telling me: I understand.

“Um…” The teacher raised her voice, calling out to the person I was looking at.

“Wanqi…” The teacher's call broke the momentary tranquility in my heart and startled Wanqi, who was intently reading. Wanqi put down her book, looked up, and quietly looked at the teacher, waiting for her to speak.

Her brow seemed slightly furrowed, as if she was afraid the teacher would give her some difficult question.

"Excuse me, come here for a moment," the teacher beckoned, gesturing for Wanqi to stand beside me.

"Teacher, what are we going to do this time?" I started to feel uneasy.

"Class, now we're going to get to the important part of this lesson." The teacher didn't directly answer my question, but instead addressed the students watching.

"Now, I'm going to show you how humans reproduce." "Basically, this male student's penis will be inserted into the female's vagina, and a piston-like motion will be performed. After the penis and glans receive sufficient stimulation, a fluid called semen will be ejaculated. When the semen is delivered to the deepest part of the uterus, it will combine with the egg to become a fertilized egg." "The fertilized egg, after a long period of nurturing inside the female's body, will slowly develop into a fetus. Of course, this also requires the female's biological clock to be in sync." The teacher said casually.

"T-Teacher!" I looked at the teacher anxiously, but the teacher ignored me.

"Then... Wanqi, please take off your clothes." Instead, the teacher gave this order to Wanqi.

"Wow... Wanqi, you're so lucky!" "That's great, I wish it were me!" The girls cheered wildly, while Wanqi looked troubled, seemingly unwilling.

"T-Teacher..." Wanqi looked at the teacher.

"Could...could another student..." The teacher shook her head: "Wanqi, it's you." "Wanqi, don't be so reserved, hurry up and take it off." "Yeah, it's rare for the teacher to prepare this lesson, so you can be the teaching material for everyone." The students persuaded Wanqi one by one, but Wanqi lowered her head, her brows furrowed, as if she was thinking about something. I think I've probably fallen for...fallen for someone I've only met a few times...When you fall for someone...you don't want to see the person you like feeling embarrassed because of you... "Enough! Teacher." I finally couldn't help but speak up to stop the teacher: "I don't want to be the teaching material anymore!" "Please don't force her anymore!" As soon as I finished speaking, all the sounds disappeared, and everyone looked at me quietly, as if waiting for me to speak.

"Thud." "I..." Just as I was about to continue, I suddenly heard the sound of a piece of clothing falling to the ground. In the complete silence, the sound was even clearer. I instinctively looked to my right, and the image of a pure white bra supporting a pair of fair breasts immediately came into view. Wanqi's eyes were slightly tearful, her brows were furrowed, and she looked very aggrieved.

She gently took off her skirt, revealing pure white panties and slender legs, completely exposed to me. I shook my head at her, telling her with my eyes, "You don't have to do this..." She looked at me with her large, slightly tearful eyes and nodded gently, "Do you agree?" At that moment, only that sentence was in my mind. Seeing Wanqi slowly taking off her clothes, the students started to make noise again. After the last bra and panties were removed, there was another person in the classroom, like me, who was completely naked in front of everyone.

I never expected it to be Wanqi. I turned to look at her; her slightly full breasts and pink nipples were incredibly alluring. Her

fair and slender legs were completely exposed before me.

A small slit was hidden among her thick pubic hair.

Seeing this, my already erect penis became even harder.

"Wanqi," the teacher said, walking to the desk in front of the podium and placing her hand on it. "You can sit here." Wanqi glanced at me, then slowly walked to the desk the teacher indicated. Following the teacher's instructions, she shifted her weight behind her, supported herself with her hands, slightly spread her legs, and sat down on the desk.

"Student," the teacher said, looking at me and pointing towards Wanqi, "Come here." Despite my reluctance, I obediently followed the teacher's instructions and walked towards her.

"Come closer," the teacher said, pulling my hand and pushing me towards Wanqi's side.

"Now, please use your hand to massage Wanqi's clitoris properly." The teacher pointed to the tip of Wanqi's clitoris. I gently placed my finger there, and Wanqi's body trembled slightly the moment I touched her. I glanced at Wanqi and noticed she was staring at me intently, her pitiful appearance making me feel a little sorry for her. I gently applied pressure to Wanqi's clitoris and massaged it by moving my hand up and down, occasionally rubbing the slightly swollen tip.

"Ah..." Wanqi frowned, her face flushed with embarrassment, and she made a soft sound as my massage, sometimes firm and sometimes gentle.

"She must feel very comfortable," I thought to myself.

So, I bent down further, rested my head between Wanqi's legs, and began to massage the tip of her clitoris with my mouth and tongue.

In rhythm with her breathing, I used my hand to open the clitoris and rubbed it on Wanqi's labia minora, sometimes quickly and sometimes slowly. This action continued for quite a while.

"Mmm..." As if she had just finished exercising, Wanqi's breathing became rapid under my massage. Hearing Wanqi's panting, I felt a strange urge, and this urge was directly reflected in my penis.

As if in sync with Wanqi's heartbeat, waves of warmth made it vibrate involuntarily.

I parted Wanqi's labia and, besides seeing the moist vaginal opening, I also saw a thin membrane that was not completely closed, with several small holes in the middle.

Just as I was carefully examining Wanqi's private parts, the teacher gently patted my shoulder, then leaned close to my ear and whispered a few words.

"Student, you're very lucky." I looked at the teacher, full of questions.

"Wanqi, like you, is a virgin." "A...first time?" I whispered in surprise. The teacher smiled but didn't answer, simply turning her head away and giving me instructions in front of everyone.

"Student, now please gently insert your penis into Wanqi's vagina and then rub it back and forth." After she finished speaking, the emotions of everyone in the classroom reached a fever pitch, even louder than before.

"I..." I looked at Wanqi, and Wanqi looked back at me. Our eyes met, and I didn't know what to say. I grasped my already rock-hard penis and slowly placed it at the entrance of Wanqi's vagina, rubbing it up and down, letting Wanqi's love juice wet my glans.

I could almost feel Wanqi's burning lower body through my glans.

"Sorry..." I looked at Wanqi, then slowly slid the head of my penis into her vagina. I shifted my body slightly, leaning my lower body forward, and my entire penis was inserted into Wanqi's pink vagina.

So...so tight...so warm...my penis was enveloped by Wanqi's vagina, my body temperature and hers were connected.

"Ah..." Just as my penis was fully inserted, Wanqi exclaimed. I looked up at Wanqi; she was tilting her head, staring blankly at the empty space below the podium. I could vaguely see her flushed cheeks and hear her soft breathing. I gently pulled my penis out halfway, then gently inserted the entire length, filling Wanqi's vagina, and then, according to my own feeling, began a piston-like motion.

So good… So this is what sex is like… I was having sex in front of forty or fifty girls, in this helpless situation, with a girl I'd never spoken to, someone I'd only met a few times, someone I couldn't call a classmate or friend. And this girl was none other than Wanqi, the pure and innocent girl in my heart.

“Mmm… mmm… mmm…” Wanqi stared blankly at the ground, making sounds in sync with my thrusts. Her body swayed slightly with my movements, and my slightly reddish penis rubbed against her vagina, making sounds.

“Plop… plop… plop…” The more intense the penetration, the louder the sounds became.

Wanqi's breathing became rapid with my vigorous thrusts.

Not long after I increased the speed, a tingling, numbing sensation spread from my penis throughout my body. My penis… it felt like something was about to burst out of my penis again, and that feeling of almost losing my balance returned.

I looked at Wanqi's face, and Wanqi, as we swayed, turned to look at me.

"Ah...ah..." I finally couldn't bear the pleasurable tingling sensation and couldn't help but cry out.

"Ah...ah...ah..." Wanqi seemed to be almost at her limit too, crying out like me.

Was she feeling the same way I was?

I held Wanqi's slender waist with both hands, instantly accelerating the entire movement, thrusting back and forth in Wanqi's wet and tender little hole, and then let out a heavy sigh.

"Ah!" Just after I cried out, I inserted my little brother into the deepest part of Wanqi's little hole, and Wanqi's body trembled violently.

"Hmm!" Then, after me, Wanqi gasped.

And so, my little brother remained in the deepest part of Wanqi's body, and with a series of spasms, I ejaculated white fluid inside Wanqi's body.

Wanqi, who had been sitting on the table, supporting herself with her hands, finally lay weakly on the table after my semen was ejaculated inside her.

But her lifeless gaze remained fixed on me.

A touch of sorrow, a few glistening tears, filled me with a strange sense of guilt. I gently pulled my penis out of Wanqi's body, and some of the semen I had ejaculated inside her flowed from her vaginal opening down to her crotch... At that moment, the teacher walked over and pointed to Wanqi's vaginal opening, saying, "Classmates, this white, cloudy fluid is sperm, and this red blood is what comes out when the hymen ruptures." I was still replaying the scene in my mind when, a moment later, my penis became aroused again. Seeing this, the teacher said, "Classmates, it's clear our teaching material has plenty of energy. Those of you who are willing can come up and experience it, but considering our teaching material's stamina, those who have already experienced it will have priority. Those who want it, quickly line up, one at a time." Then, just like last time, most of the girls lined up, but the difference was that it wasn't 10 seconds per person anymore.

As a result, a total of 25 people who had tried it all came to me for a "trial." Later, the teacher, feeling sorry for me, said, "The rest of you have all tried it. Considering the state of the textbook, you can review it yourselves later." Shortly after I ejaculated, the bell rang for the end of class.

Wanqi and I, amidst the noise, put on our uniforms without exchanging any words. Then, just like before, she quietly and slowly walked back to her seat alone. What remained unchanged was that a deeply furrowed brow still hung under her bangs... And after that, the girls in the next class, me, my classmates, and that biology teacher never mentioned it again. Of course, apart from those who were present at the time, no one else knew about it, as if... it was a dream.

But, from then on, I never saw Wanqi at that school again... What happened to her?

Did she transfer schools because of me...?

Sitting by the window, watching the farmers working in the fields, with less than a month until the college entrance exam, I suddenly thought of her again. We had never spoken, we weren't classmates or friends, we were like complete strangers, yet we had once shared a time together… We shared each other's body temperature, the same feelings… Our bodies had once been tightly connected… That woman… whose body still held a trace of my warmth… [The End]

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In biology class, the teacher actually used me as a teaching material!

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