Junior High School Physics and Chemistry (Fanfic)

Word Count: 6560
Junior High School Physics and Chemistry Class (Fanfiction) It's physics and chemistry class again this week, and the students are all energetic and ready for anything. Since Ms. Li changed her teaching methods, everyone's enthusiasm for learning has been soaring. Plus, with Ms. Li's beautiful appearance as a buff, the students' monthly test scores are far ahead of other classes. Good grades make parents happy, the principal is proud, and Ms. Li's salary has increased. Correspondingly, Ms. Li has become increasingly proactive in coming up with various ways to help us remember the knowledge from each lesson. "Good morning, teacher!" As soon as she entered the classroom, Ms. Li was startled by the deafening shouts. Of course, the girls weren't so enthusiastic; it was a group of excited boys shouting, all eagerly anticipating what exciting lectures the teacher would deliver today. Teacher Li snapped out of her reverie, looking at the expectant faces of the students below, like chicks eagerly awaiting their milk. She smiled slightly and said, "Hello, students!" Today, Teacher Li was only wearing a large trench coat, completely concealing her beautiful figure. Only her long, shapely legs were visible, a far cry from her usual style. She seemed somewhat disappointed as the students whispered amongst themselves, but I was secretly delighted. It seemed Teacher Li wanted me to enjoy this body all to myself. Before my thoughts could return to my reverie, Teacher Li walked to the podium, put down her books, and naturally untied the belt of her trench coat. The coat instantly slipped off her body, revealing a jade-like, sculpted body. Her white, jade-like skin contrasted sharply with the black blackboard, making her even more dazzling. Her teardrop-shaped breasts remained unaffected by gravity, the two small nipples standing proudly at a 45-degree angle. The teacher was only wearing a trench coat, completely naked underneath. I have no idea how she got from the changing room to the classroom; that distance is at least 100 meters, and she even passed the principal's office! If the principal knew, he'd probably arrest her and punish her on the spot! The students gasped, staring at Teacher Li with bold excitement, discussing her without any restraint, showing none of the shyness expected of middle school students. What was even more unusual today was that Teacher Li's genitals were completely bare; her pubic mound, devoid of pubic hair, was white and smooth, with only a small slit visible. My mind exploded. What was the teacher going to do? Was she getting revenge on me? "[Too lazy to wear so many clothes, I'll have to take them off anyway!]" Teacher Li's voice came gently. "[Class, concentrate! We're about to learn new knowledge.]" Easy for her to say, but I only believed that everyone's penises were indeed very erect. "[Uniform linear motion refers to motion along a straight line with constant velocity.] Its formula is s=vt."
"Distance equals speed multiplied by time! Understand?" Looking at the group of heads shaking like rattles, Teacher Li pointed in my direction, "Xiaoping, come out and give a demonstration!" Immediately, the male students began to sigh. They all knew that going on stage would bring benefits, but they didn't know why the teacher always favored me. They all glared angrily. I didn't care. The teacher was still good to me. I had to protect the teacher in class today. I happily ran to the podium. The teacher pointed again, "Xiaoping, take off your pants and stand on that stool." Remembering the previous example, I readily did as required, but my penis was like soft mud, which made the male students chuckle. Just as I expected, Teacher Li gently squatted down in front of me and, amidst everyone's envious gazes, swallowed my penis in one gulp. A familiar, warm, and moist feeling invaded my lower body, like soaking in a hot spring. My penis, stimulated, stood erect, yet still bound by the foreskin. I could feel the teacher's cherry lips pulling back the foreskin, her tongue constantly moistening the glans. Finally, a few of my penis feathers touched the teacher's nose, and the glans emerged from the foreskin, then slipped into another warm opening—I knew it was the teacher's throat. Although my penis wasn't large, it was still a foreign object that her throat couldn't swallow. Teacher Li gagged slightly, quickly withdrew, and continued sucking the glans. When the teacher's tongue touched the coronal sulcus, I shivered, almost ejaculating, but then I suddenly thought that if someone else took my place, I wouldn't be able to protect the teacher. I bit down hard, took a deep breath, and forcibly suppressed the pleasure. Thankfully, Teacher Li finally released me. The bright red glans, glistening with saliva, lingered, twitching upwards reluctantly after leaving the teacher's cherry lips. Teacher Li turned around, grabbed a ruler, and measured my penis. "11 centimeters." She didn't even need to announce it, which drew laughter from the classmates. "Now, let's define the distance 's' as 11 and the speed as 1. How long will it take to walk this distance? I'll demonstrate!" Teacher Li handed a timer to Huang Ruoli, instructing, "Record the time from beginning to end!" Then she squatted down in front of me. "Ready, go!" With a 'beep', Teacher Li sucked on my glans again, but this time the speed wasn't as fast, slowly swallowing my penis at a rate of one centimeter per second. When her lips were almost at the base, I felt the pressure on my throat again, but this time Teacher Li suppressed her nausea and forcefully pushed the glans deep into her throat. Compared to the squeezing sensation of Teacher Li's vagina, the pressure on my throat, especially after the glans entered, pulled my penis deeper with each gag, and each pressure point was the sensitive area of the coronal sulcus, intensifying the pleasure of ejaculation. Just as the teacher's red lips were about to reach the base, I only needed to endure a little longer, but... [Teacher, wait... wait a minute...] Before I could finish speaking, my penis seemed to suddenly grow longer due to the prelude to ejaculation. Actually, I had pulled back slightly, which only pushed the teacher's cherry lips further away from the base. Teacher Li hadn't expected this to happen either. With only one second left, thinking about the consequences of a teaching error, Teacher Li closed her eyes, held my buttocks with both hands, and forcefully thrust into my lower abdomen, swallowing the last 2 centimeters. With Huang Ruoli's shout to stop, my mind went blank, but my penis instinctively began to throb deep in Teacher Li's throat. Ms. Li knew perfectly well what was going on, but instead of spitting it out immediately, she relaxed her throat, allowing all my semen to rush down my esophagus. My glans was even more sensitive, and I could feel Ms. Li's throat trembling slightly. She knew that swallowing would inevitably cause vomiting, so she could only endure it until I finished ejaculating. Finally, the penis in her throat stopped throbbing and automatically retracted like a rubber band. I trembled again. Ms. Li cleaned my glans, gave me a warm smile, and then stood up to pick up the timer, saying, "See? 11 seconds, not a second off. This is the principle of uniform linear motion!" —————————————————————————————————————————————— After the break, Ms. Li had everyone push the tables against the wall, clearing a space in the classroom, and placed a strange set of tools on it—a combination of several pulleys with a tray on top. Teacher Li wrote on the blackboard, then sat on the tray with her legs spread apart in an M shape. Because there was no longer any hair, her translucent pink vulva was completely visible to everyone. "Today we'll learn about friction. What is friction? Simply put, we use friction every day. Without friction, we couldn't walk, eat, or do anything!" "We'll first learn about rolling friction and sliding friction. This pulley combination can simulate rolling friction, while sliding friction is here..." Teacher Li pointed to her vulva. "Now, I'd like to ask a student to do an experiment with me to reinforce everyone's understanding! Um, Xiaoping..." "Wait a minute!" Just as I was excitedly preparing to take off my pants, a voice rang out from the crowd, "Teacher, you always ask Xiaoping to do the experiments, that's so unfair!" It was Chen Yuhao who spoke. "Look, Xiaoping always gets 100 on tests, and you still ask him? Isn't that biased?" He even made an angry face. Teacher Li was a little embarrassed, but the student's words made sense and she couldn't refute them, so she said, "Alright then, let's look at the results of the last exam. The last one is... Chen Yuhao?" "Hey, coming, coming!" Before the teacher could even call his name, Chen Yuhao ran up to the teacher with a big smile, faster than a monkey, completely different from before. "Teacher! What should I do?" Before the teacher could even speak, Chen Yuhao had already pulled down his pants, his penis sticking out high, as if he couldn't wait to insert it into the teacher's vagina. Teacher Li sat on the small cart, spread her legs apart and secured them with ropes, then said, "Chen Yuhao, insert your penis into me!" Wow, this is going too far! You let the students see, and now you want them to insert it? Do you want all the students' sperm to fill your vagina? I was as anxious as an ant on a hot pan, while Chen Yuhao was overjoyed. For so many classes, he'd been longing for Teacher Li, but could only look and not touch her. Every time after class, he'd have to go home and masturbate, almost to the point of depression. Today, with this once-in-a-lifetime opportunity, he was determined to get his fill. A sly smile appeared on Chen Yuhao's face. I knew this was bad, so I quickly went to Li Fa's side and asked, "Do you have any good ideas?" Li Fa shook his head. "The teacher wanted to do it this way, what can I do?" "One more thing, to prevent you from cheating, tie your hands behind your back!" Teacher Li seemed to have come prepared. My heart relaxed a little. I quickly ran over and used cable ties to tie Chen Yuhao's hands behind his back, carefully checking to make sure he couldn't break free. Chen Yuhao was nonchalant, proudly displaying his erection, and said, "Teacher Li, what if your hands accidentally block me? Shouldn't they be tied up too?" This brat, he'd already gotten such a huge advantage and he still wasn't satisfied. Teacher Li considered for a moment and said, "Okay, to be fair, Xiaoping, tie my hands behind my head!" Ugh, why do I have to do this? I was a thousand times unwilling, but I slowly walked behind the teacher and tied her hands behind her back. Teacher Li seemed to see what I was thinking, turned around and smiled at me, as if to say, "Don't worry, I have a way!" The experiment began. To prevent Chen Yuhao from cheating, a rope was tied around his waist to control the distance between him and the teacher, ensuring his erect penis could just penetrate Teacher Li's genitals. I watched this experiment with trepidation, no less than watching two people play Russian roulette, except the teacher's stake was her virginity. With Teacher Li's command, Chen Yuhao rushed forward quickly, his erect penis aimed directly at the teacher's tender vulva, seemingly intending to use the power to humiliate this unattainable opening. The instant the penis touched the clitoris, something unbelievable happened. Chen Yuhao's glans barely touched the labia before Ms. Li, like a gust of wind, "whoosh," flew off the track, leaving Chen Yuhao standing there, penis erect, staring dumbfounded at the smiling Ms. Li, utterly unable to believe what he was seeing. "Yeah!" A lonely voice rang out. Apart from me, no one in the class cheered, no one even looked at me. "I don't believe it! I want to try again!" Chen Yuhao shouted, his eyes red. No wonder, the cooked duck had flown away; he certainly wouldn't be willing to accept it. "No matter how many times you try, it won't work!" Ms. Li replied confidently, telling me to push the cart back to its original position. Once, twice, three times—Chen Yuhao tried everything, fast or slow, but the glans could only touch Ms. Li's labia. Frustrated, Chen Yuhao finally gave up. "Alright, that's what I wanted you to remember: rolling friction is far less than sliding friction..." "Wait!" Teacher Li was interrupted by a voice before she could speak; it was Tang Chenwei. "What are you trying to say?" "Teacher Li, can I try it?" What kind of trick is this kid up to now? "I've already tried it, it's the same every time!" "It's different. In this experiment, rolling occurs, but sliding doesn't!" Tang Chenwei looked confident. "With Teacher Li's lower body...""The tightness is like a wall for our glans. How can a penis possibly fit inside?" These words jolted Chen Yuhao awake. He jumped up, "I knew it! The teacher cheated! I want to do it again!" Teacher Li hesitated, then looked at Tang Chenwei and asked, "What do you suggest?" "It's simple. First, lubricate the teacher's hole, then use tape to open the opening!" "Okay, I agree. I'll make you all admit it!" Teacher Li's stubbornness kicked in. She wasn't sure she couldn't convince a child. Looking at Tang Chenwei's confident demeanor, I felt a growing unease. The experiment restarted. Teacher Li sat in the same position, but her vagina was thoroughly lubricated by Tang Chenwei's vibrator. She even had an accidental orgasm. Her face was less serious, but flushed with desire. Her labia minora were also spread apart and secured with tape. Now, Teacher Li's vagina was truly open, and everyone could see the tender buds and the folds of flesh that writhed occasionally. Tang Chenwei probed inside Li's labia with his finger, pulling out a glistening silver thread, causing Teacher Li to tremble. "Alright!" Tang Chenwei pulled down his pants, revealing his penis. To be fair, Chen Yuhao's penis was thicker than Tang Chenwei's, but Tang Chenwei's was longer, clearly giving him the advantage. After tying the rope, Tang Chenwei ran forward like lightning, rushing towards the wide-open peach blossom garden. I closed my eyes in fear, terrified of what I might see. Tang Chenwei's penis was indeed quite advantageous; the tiny glans almost disappeared into Teacher Li's clitoris, but he still pushed her out. The rhythmic in-and-out motion of the glans and clitoris caused Teacher Li's lower abdomen to involuntarily spasm. Teacher Li bit her red lips, enduring this subtle pleasure, and said, "How about it? Do you believe me now?" "You jerked just now, you weren't aiming properly, that doesn't count, let's do it again!" Damn, Tang Chenwei is too good at finding excuses; he clearly just wants another chance. Teacher Li was also going all out: "Okay, I'll give you one last chance! Xiaoping!" I eagerly pushed Teacher Li back in again. "Teacher, let's stop playing around, why are we being so serious?" Teacher Li looked at me calmly and said, "Experimentation is the sole criterion for testing truth! This is a teacher's responsibility!" The battle began again, and I kept praying that as long as I got through this, Teacher Li would be out of danger today. Tang Chenwei charged at the teacher again, his erect penis looking rather imposing. I prayed once more that he would trip and break his manhood. The two fought like generals on a battlefield, battling for 500 rounds, the outcome hanging in the balance with this final strike. Just like last time, Tang Chenwei's glans accurately pierced the pink entrance, and Teacher Li retreated again. Just as I was about to breathe a sigh of relief, the expected thing didn't happen! The tablet holding Teacher Li suddenly stopped with a "click." Not only did I not expect it, but the classmates didn't expect it, Teacher Li didn't expect it, and even Tang Chenwei didn't expect it. The rope holding Tang Chenwei had reached its end, but his penis was still inside the vagina, with only a small section remaining outside. How could this be? I simply couldn't believe what I was seeing. My beloved Teacher Li had been penetrated by Tang Chenwei in front of the classmates. I stood motionless like a zombie, not knowing what to do next. Even if the experiment was over, the teacher's vagina had been penetrated. The teacher and I still couldn't protect this last sanctuary. Teacher Li was stunned for a while, unable to believe that there was something hot and hard inside her. She twisted her body, trying to shake Tang Chenwei's penis out: "Stop...stop...pull it out!" Teacher Li was so naive. She knew how much Tang Chenwei wanted to fuck her. Now that it was inside, how could she possibly pull it out? Tang Chenwei not only showed no intention of pulling out, but instead pushed forward even harder. "Get out! This doesn't count. You guys pull him away!" Although her lower body was already soaking wet, Teacher Li still stubbornly resisted in order to maintain her last bit of dignity. "Teacher, your experiment has finally succeeded!" Tang Chenwei suddenly blurted out, leaving everyone confused. "What..." Teacher Li was also puzzled. "Teacher, look!" Tang Chenwei tried to back away, and his penis actually moved along with Teacher Li, as if their genitals were stuck together. "My penis can move with you, doesn't that prove that sliding friction is greater than rolling friction?" "Hmm, you're right. Can I pull it out now?" Teacher Li endured the tingling sensation inside her body, wanting only to end this embarrassing experiment as soon as possible. "Teacher, you once said that measurements need to be repeated multiple times to ensure the accuracy of the data. Since it's already inside, let's take a few more measurements!" Tang Chenwei didn't wait for the teacher's reply and started thrusting again. Teacher Li couldn't refute what she had said before. Her eyes were hazy, her cheeks flushed, but she still had to watch the student pull in and out of her body with a straight face. Compared to quick in and out, this slow, leisurely movement was even more tantalizing. "Teacher, I have another question. You mentioned the conservation of energy before. Are we doing work now?" Seeing that the experiment was about to end, Tang Chenwei threw out another question. "This...is also doing work." "Then where does the energy we generate go?" "Friction generates heat, so it's converted into heat energy." "Really? Can we verify it?" "This...we don't have a thermometer..." "Wait a minute, Chen Yuhao, take the thermometer off the back of your pencil!" Chen Yuhao was quite obedient and quickly removed it from the pencil. It was only the size of a fingernail, but it had a thermometer inside. "Teacher, if you put this inside your body, and the temperature rises, can we verify the law of conservation of energy?" Tang Chenwei waved the little thing in front of the teacher. "Wait...wait a minute, putting it inside might...ah..." Before the teacher could finish speaking, Tang Chenwei inserted the thermometer into the flower core and then used his penis to push it to the deepest point. "Teacher, for the sake of the experimental results, I need to speed up!" "Hmm...don't ejaculate inside!" Teacher Li resigned herself to her fate. Since she couldn't stop him from penetrating, she might as well let him finish quickly. Tang Chenwei smiled at me in the crowd. I knew what he meant: "I not only fucked her, but I fucked her openly!" Tang Chenwei grabbed Teacher Li's snow-white breasts with both hands, increasing the speed and force of his thrusts. The sound of their groins colliding could even be heard. "Gently... ah... too deep... um..." Under such intense stimulation, the teacher still had to maintain her dignity as a teacher. She had to let her students know that she was just conducting an experiment, not taking the opportunity to enjoy herself. So she could only secretly release the sounds of pleasure in between words. "Teacher, I feel my penis getting so hot, it really generates heat!" Tang Chenwei was panting heavily, already at his limit. "Shoot... shoot outside..." Teacher Li was tied up and unable to move, so she could only plead with Tang Chenwei, "Teacher, the heat is all concentrated inside my penis, if it shoots outside, it won't be detectable, ah..." Tang Chenwei lay on top of the teacher, biting one of her erect nipples, and released his semen inside her. The two in the classroom remained motionless, their bodies pressed together. Only the sight of Ms. Li convulsing from the intense heat of semen was visible. Both gasped for breath, seemingly exhausted. Damn it, Tang Chenwei really knew how to make excuses. He ejaculated inside her right in front of so many students. Although I felt sorry for Ms. Li, I couldn't help but rub my hardened penis. "Teacher, let's look at the results!" Tang Chenwei, having had his fill, finally released Ms. Li. Ms. Li struggled to her feet, her legs giving way, almost causing her to fall. Tang Chenwei quickly caught her, taking the opportunity to grope her breasts. Ms. Li blushed shyly, her dignity as a teacher completely shattered by the boy's ministrations. She knelt down, parting her labia with her fingers, letting the thermometer flow with the semen. Tang Chenwei pretended to support Ms. Li from behind, but actually was holding her breasts, thoroughly enjoying himself. Teacher Li had no time to pay attention to Tang Chenwei's groping hands. She took out a thermometer, wiped off the semen on it, and showed it to everyone.Chen Yuhao was longer, so Tang Chenwei clearly had the advantage. After tying the rope, Tang Chenwei ran forward like the wind, rushing towards the wide-open peach blossom garden. I closed my eyes in fear, terrified of what I might see. Tang Chenwei's penis was indeed very advantageous; the tiny glans almost disappeared into Teacher Li's clitoris, but it still pushed her out. The rhythmic in-and-out motion of the glans and clitoris caused Teacher Li's lower abdomen to involuntarily spasm. Teacher Li bit her red lips, suppressing the subtle pleasure, and said, "How about it? Do you believe me now?" "You jerked just now, you weren't aiming properly, that doesn't count, let's do it again!" Damn, Tang Chenwei was so good at finding excuses; he clearly just wanted another chance. Teacher Li was going all out: "Fine, I'll give you one last chance, Xiaoping!" I eagerly pushed Teacher Li back, "Teacher, let's stop playing around, why are we taking this so seriously?" Teacher Li looked at me calmly and said, "Experimentation is the sole criterion for testing truth! This is a teacher's responsibility!" The battle began again, and I kept praying that if I could get through this, Teacher Li would be safe for the day. Tang Chenwei charged at the teacher again, looking at his erect penis with a somewhat imposing air, I prayed again that he would trip and break his manhood. The two were like generals on a battlefield, fighting for 500 rounds, the outcome depending on this final blow. Just like last time, Tang Chenwei's glans accurately entered the pink entrance again, and Teacher Li retreated again. Just as I was about to breathe a sigh of relief, the expected thing did not happen! The tablet holding Teacher Li suddenly stopped with a "click," not only did I not expect it, but the students did not expect it, Teacher Li did not expect it, and even Tang Chenwei did not expect it. The rope holding Tang Chenwei had reached its end, but his penis was already inside her, with only a small part sticking out. How could this be? I couldn't believe what I was seeing. My beloved teacher, Ms. Li, had been penetrated by Tang Chenwei in front of her classmates. I stood motionless like a zombie, not knowing what to do next. Even if the experiment was over, Ms. Li's vagina had been penetrated. We hadn't been able to protect this last sanctuary. Ms. Li was also stunned for a while, unable to believe that there was something hot and hard inside her. She twisted her body, trying to shake Tang Chenwei's penis out: "Stop...stop...pull it out!" Ms. Li was so naive. She knew how much Tang Chenwei wanted to fuck her. Now that it was inside, how could it possibly be pulled out? Tang Chenwei not only didn't try to pull it out, but instead pushed forward even harder. "Get out! This doesn't count. You guys pull him away!" Although her lower body was already soaking wet, Ms. Li still stubbornly resisted in order to maintain her last bit of dignity. "Teacher, your experiment was finally a success!" Tang Chenwei suddenly blurted out, leaving everyone bewildered. "What..." Teacher Li was equally confused. "Teacher, look!" Tang Chenwei tried to back away, and his penis actually moved along with Teacher Li, as if their genitals were stuck together. "My penis can move with you, doesn't that prove that sliding friction is greater than rolling friction?" "Hmm, you're right. Can I pull it out now?" Teacher Li endured the tingling sensation inside her body, wanting only to end this embarrassing experiment as soon as possible. "Teacher, you once said that measurements need to be repeated multiple times to ensure data accuracy. Since it's already inside, let's measure it a few more times!" Tang Chenwei didn't wait for the teacher's reply and started thrusting again. Teacher Li couldn't easily refute what she had said before. Her eyes were hazy, her cheeks flushed, but she still had to watch her student pull in and out of her body with a serious expression. Compared to quick in and out, this slow, leisurely movement, a little in and a little out, was even more tantalizing. "Teacher, I have another question. Regarding the law of conservation of energy you mentioned before, are we doing work now?" Just as the experiment was about to end, Tang Chenwei asked another question. "This… is also doing work." "Then where does the energy from our movement go?" "Friction generates heat, so it's converted into heat energy." "Really? Can we verify it?" "Well… we don't have a thermometer…" "Wait a minute, Chen Yuhao, take the thermometer off the back of your pencil!" Chen Yuhao was quite obedient and quickly removed it from the pencil. It was only the size of a fingernail, but it contained a thermometer. "Teacher, if you put this inside your body, and the temperature rises, can we verify the law of conservation of energy?" Tang Chenwei waved the small device in front of the teacher. "Wait… wait a minute, putting it inside might… ah…" Before the teacher could finish speaking, Tang Chenwei inserted the thermometer into her vagina and then used his penis to push it to its deepest point. "Teacher, for the sake of the experiment results, I need to speed things up!" "Hmm... please don't ejaculate inside!" Teacher Li resigned herself to her fate. Since she couldn't stop him from penetrating her, she might as well let him finish quickly. Tang Chenwei smiled at me in the crowd. I knew what he meant: "I'm not only fucking, but I'm fucking openly!" Tang Chenwei grabbed Teacher Li's snow-white breasts with both hands and increased the speed and force of his thrusts. You could even hear the sound of their groins colliding. "Gently... ah... too deep... um..." Under such intense stimulation, the teacher still had to maintain her dignity as a teacher. She had to let her students know that she was just conducting an experiment, not taking the opportunity to enjoy herself. So, she could only secretly release the sounds of pleasure in her heart during the gaps in her speech. "Teacher, I feel my penis getting so hot, it's really generating heat!" Tang Chenwei was panting heavily, already at his limit. "Shoot...shoot outside..." Bound and unable to move, Teacher Li could only plead with Tang Chenwei, "Teacher, the heat is all concentrated inside my penis, if it shoots outside, it won't be detectable, ah..." Tang Chenwei lay on top of her, biting down on one of her erect nipples, and ejaculated inside her. The two in the classroom remained motionless, only Teacher Li could be seen convulsing from the impact of the hot semen. Both of them gasped for breath, seemingly having expended a lot of energy. Damn Tang Chenwei, he really knows how to make excuses, ejaculating inside her in front of so many students. Although I felt sorry for Teacher Li, I couldn't help but rub my hardened penis again. "Teacher, let's look at the results!" Tang Chenwei, having had his fill, finally released Teacher Li. Teacher Li struggled to climb down, her legs giving way and she almost fell. Tang Chenwei quickly supported her, taking the opportunity to grab her breasts and grope her. Ms. Li blushed shyly, her dignity as a teacher completely shattered by the boy's ministrations. She knelt down, parting her labia with her fingers, letting the thermometer drip with semen. Tang Chenwei, pretending to support Ms. Li from behind, was actually enjoying himself immensely, holding her breasts. Ms. Li, oblivious to Tang Chenwei's groping hands, pulled out the thermometer, wiped the semen off, and showed it to everyone.Chen Yuhao was longer, so Tang Chenwei clearly had the advantage. After tying the rope, Tang Chenwei ran forward like the wind, rushing towards the wide-open peach blossom garden. I closed my eyes in fear, terrified of what I might see. Tang Chenwei's penis was indeed very advantageous; the tiny glans almost disappeared into Teacher Li's clitoris, but it still pushed her out. The rhythmic in-and-out motion of the glans and clitoris caused Teacher Li's lower abdomen to involuntarily spasm. Teacher Li bit her red lips, suppressing the subtle pleasure, and said, "How about it? Do you believe me now?" "You jerked just now, you weren't aiming properly, that doesn't count, let's do it again!" Damn, Tang Chenwei was so good at finding excuses; he clearly just wanted another chance. Teacher Li was going all out: "Fine, I'll give you one last chance, Xiaoping!" I eagerly pushed Teacher Li back, "Teacher, let's stop playing around, why are we taking this so seriously?" Teacher Li looked at me calmly and said, "Experimentation is the sole criterion for testing truth! This is a teacher's responsibility!" The battle began again, and I kept praying that if I could get through this, Teacher Li would be safe for the day. Tang Chenwei charged at the teacher again, looking at his erect penis with a somewhat imposing air, I prayed again that he would trip and break his manhood. The two were like generals on a battlefield, fighting for 500 rounds, the outcome depending on this final blow. Just like last time, Tang Chenwei's glans accurately entered the pink entrance again, and Teacher Li retreated again. Just as I was about to breathe a sigh of relief, the expected thing did not happen! The tablet holding Teacher Li suddenly stopped with a "click," not only did I not expect it, but the students did not expect it, Teacher Li did not expect it, and even Tang Chenwei did not expect it. The rope holding Tang Chenwei had reached its end, but his penis was already inside her, with only a small part sticking out. How could this be? I couldn't believe what I was seeing. My beloved teacher, Ms. Li, had been penetrated by Tang Chenwei in front of her classmates. I stood motionless like a zombie, not knowing what to do next. Even if the experiment was over, Ms. Li's vagina had been penetrated. We hadn't been able to protect this last sanctuary. Ms. Li was also stunned for a while, unable to believe that there was something hot and hard inside her. She twisted her body, trying to shake Tang Chenwei's penis out: "Stop...stop...pull it out!" Ms. Li was so naive. She knew how much Tang Chenwei wanted to fuck her. Now that it was inside, how could it possibly be pulled out? Tang Chenwei not only didn't try to pull it out, but instead pushed forward even harder. "Get out! This doesn't count. You guys pull him away!" Although her lower body was already soaking wet, Ms. Li still stubbornly resisted in order to maintain her last bit of dignity. "Teacher, your experiment was finally a success!" Tang Chenwei suddenly blurted out, leaving everyone bewildered. "What..." Teacher Li was equally confused. "Teacher, look!" Tang Chenwei tried to back away, and his penis actually moved along with Teacher Li, as if their genitals were stuck together. "My penis can move with you, doesn't that prove that sliding friction is greater than rolling friction?" "Hmm, you're right. Can I pull it out now?" Teacher Li endured the tingling sensation inside her body, wanting only to end this embarrassing experiment as soon as possible. "Teacher, you once said that measurements need to be repeated multiple times to ensure data accuracy. Since it's already inside, let's measure it a few more times!" Tang Chenwei didn't wait for the teacher's reply and started thrusting again. Teacher Li couldn't easily refute what she had said before. Her eyes were hazy, her cheeks flushed, but she still had to watch her student pull in and out of her body with a serious expression. Compared to quick in and out, this slow, leisurely movement, a little in and a little out, was even more tantalizing. "Teacher, I have another question. Regarding the law of conservation of energy you mentioned before, are we doing work now?" Just as the experiment was about to end, Tang Chenwei asked another question. "This… is also doing work." "Then where does the energy from our movement go?" "Friction generates heat, so it's converted into heat energy." "Really? Can we verify it?" "Well… we don't have a thermometer…" "Wait a minute, Chen Yuhao, take the thermometer off the back of your pencil!" Chen Yuhao was quite obedient and quickly removed it from the pencil. It was only the size of a fingernail, but it contained a thermometer. "Teacher, if you put this inside your body, and the temperature rises, can we verify the law of conservation of energy?" Tang Chenwei waved the small device in front of the teacher. "Wait… wait a minute, putting it inside might… ah…" Before the teacher could finish speaking, Tang Chenwei inserted the thermometer into her vagina and then used his penis to push it to its deepest point. "Teacher, for the sake of the experiment results, I need to speed things up!" "Hmm... please don't ejaculate inside!" Teacher Li resigned herself to her fate. Since she couldn't stop him from penetrating her, she might as well let him finish quickly. Tang Chenwei smiled at me in the crowd. I knew what he meant: "I'm not only fucking, but I'm fucking openly!" Tang Chenwei grabbed Teacher Li's snow-white breasts with both hands and increased the speed and force of his thrusts. You could even hear the sound of their groins colliding. "Gently... ah... too deep... um..." Under such intense stimulation, the teacher still had to maintain her dignity as a teacher. She had to let her students know that she was just conducting an experiment, not taking the opportunity to enjoy herself. So, she could only secretly release the sounds of pleasure in her heart during the gaps in her speech. "Teacher, I feel my penis getting so hot, it's really generating heat!" Tang Chenwei was panting heavily, already at his limit. "Shoot...shoot outside..." Bound and unable to move, Teacher Li could only plead with Tang Chenwei, "Teacher, the heat is all concentrated inside my penis, if it shoots outside, it won't be detectable, ah..." Tang Chenwei lay on top of her, biting down on one of her erect nipples, and ejaculated inside her. The two in the classroom remained motionless, only Teacher Li could be seen convulsing from the impact of the hot semen. Both of them gasped for breath, seemingly having expended a lot of energy. Damn Tang Chenwei, he really knows how to make excuses, ejaculating inside her in front of so many students. Although I felt sorry for Teacher Li, I couldn't help but rub my hardened penis again. "Teacher, let's look at the results!" Tang Chenwei, having had his fill, finally released Teacher Li. Teacher Li struggled to climb down, her legs giving way and she almost fell. Tang Chenwei quickly supported her, taking the opportunity to grab her breasts and grope her. Ms. Li blushed shyly, her dignity as a teacher completely shattered by the boy's ministrations. She knelt down, parting her labia with her fingers, letting the thermometer drip with semen. Tang Chenwei, pretending to support Ms. Li from behind, was actually enjoying himself immensely, holding her breasts. Ms. Li, oblivious to Tang Chenwei's groping hands, pulled out the thermometer, wiped the semen off, and showed it to everyone.Instead of understanding, he pushed forward harder, saying, "Get out! This doesn't count. You guys pull him away!" Although her lower body was already soaking wet, Teacher Li still stubbornly resisted to maintain her last shred of dignity. "Teacher, your experiment has finally succeeded!" Tang Chenwei suddenly blurted out, leaving everyone confused. "What…" Teacher Li was also puzzled. "Teacher, look!" Tang Chenwei tried to back away, and his penis actually moved along with Teacher Li, as if their genitals were stuck together. "My penis can move with you, doesn't that prove that sliding friction is greater than rolling friction?" "Hmm, you're right. Can I pull it out now?" Teacher Li endured the sore and itchy sensation inside her body, wanting only to end this embarrassing experiment as soon as possible. "Teacher, you once said that measurements need to be performed multiple times to ensure the accuracy of the data. Since you're already inside, let's measure it a few more times!" Tang Chenwei didn't wait for the teacher's reply and started thrusting again. Unable to contradict herself after making such a statement, Teacher Li's eyes were misty, her cheeks flushed, yet she had to watch with a straight face as her student moved in and out of her body. This slow, deliberate movement, a little in and a little out, was far more alluring than a quick in-and-out motion. "Teacher, I have another question. Regarding the conservation of energy you mentioned before, are we doing work now?" Tang Chenwei asked, just as the experiment was about to end. "This… is also doing work." "Then where does the energy from our movement go?" "Friction generates heat, so it's converted into thermal energy." "Really? Can we verify it?" "Well… we don't have a thermometer…" "Wait a minute, Chen Yuhao, take the thermometer off the back of your pencil!" Chen Yuhao obediently removed it from the pencil; it was only the size of a fingernail, but contained a thermometer. "Teacher, put this inside your body. If the temperature rises, can we verify the law of conservation of energy?" Tang Chenwei waved the small device in front of the teacher. "Wait...wait a minute, putting it inside might...ah..." Before the teacher could finish speaking, Tang Chenwei inserted the thermometer into her flower core, then used his penis to push it to its deepest point. "Teacher, for the sake of the experiment results, I need to speed things up!" "Hmm...please don't ejaculate inside!" Teacher Li resigned herself to her fate. Since she couldn't stop him from penetrating her, she might as well let him finish quickly. Tang Chenwei smiled at me in the crowd. I knew what he meant. "I'm not only fucking, but I'm fucking openly!" Tang Chenwei grabbed Teacher Li's snow-white breasts with both hands, increasing the speed and force of his thrusts. You could even hear the sound of their groins colliding. "Gently...ah...too deep...hmm..." Under such intense stimulation, the teacher still had to maintain her dignity as a teacher. She had to let her students know that she was just conducting an experiment, not taking the opportunity to enjoy herself. So, she could only secretly release the sounds of pleasure in her heart during the gaps in her speech. "Teacher, I feel my penis getting so hot, it's really generating heat!" Tang Chenwei was panting heavily, already at his limit. "Shoot...shoot outside..." Bound and unable to move, Teacher Li could only plead with Tang Chenwei, "Teacher, the heat is all concentrated inside my penis, if it shoots outside, it won't be detectable, ah..." Tang Chenwei lay on top of her, biting down on one of her erect nipples, and ejaculated inside her. The two in the classroom remained motionless, only Teacher Li could be seen convulsing from the impact of the hot semen. Both of them gasped for breath, seemingly having expended a lot of energy. Damn Tang Chenwei, he really knows how to make excuses, ejaculating inside her in front of so many students. Although I felt sorry for Teacher Li, I couldn't help but rub my hardened penis again. "Teacher, let's look at the results!" Tang Chenwei, having had his fill, finally released Teacher Li. Teacher Li struggled to climb down, her legs giving way and she almost fell. Tang Chenwei quickly supported her, taking the opportunity to grab her breasts and grope her. Ms. Li blushed shyly, her dignity as a teacher completely shattered by the boy's ministrations. She knelt down, parting her labia with her fingers, letting the thermometer drip with semen. Tang Chenwei, pretending to support Ms. Li from behind, was actually enjoying himself immensely, holding her breasts. Ms. Li, oblivious to Tang Chenwei's groping hands, pulled out the thermometer, wiped the semen off, and showed it to everyone.Instead of understanding, he pushed forward harder, saying, "Get out! This doesn't count. You guys pull him away!" Although her lower body was already soaking wet, Teacher Li still stubbornly resisted to maintain her last shred of dignity. "Teacher, your experiment has finally succeeded!" Tang Chenwei suddenly blurted out, leaving everyone confused. "What…" Teacher Li was also puzzled. "Teacher, look!" Tang Chenwei tried to back away, and his penis actually moved along with Teacher Li, as if their genitals were stuck together. "My penis can move with you, doesn't that prove that sliding friction is greater than rolling friction?" "Hmm, you're right. Can I pull it out now?" Teacher Li endured the sore and itchy sensation inside her body, wanting only to end this embarrassing experiment as soon as possible. "Teacher, you once said that measurements need to be performed multiple times to ensure the accuracy of the data. Since you're already inside, let's measure it a few more times!" Tang Chenwei didn't wait for the teacher's reply and started thrusting again. Unable to contradict herself after making such a statement, Teacher Li's eyes were misty, her cheeks flushed, yet she had to watch with a straight face as her student moved in and out of her body. This slow, deliberate movement, a little in and a little out, was far more alluring than a quick in-and-out motion. "Teacher, I have another question. Regarding the conservation of energy you mentioned before, are we doing work now?" Tang Chenwei asked, just as the experiment was about to end. "This… is also doing work." "Then where does the energy from our movement go?" "Friction generates heat, so it's converted into thermal energy." "Really? Can we verify it?" "Well… we don't have a thermometer…" "Wait a minute, Chen Yuhao, take the thermometer off the back of your pencil!" Chen Yuhao obediently removed it from the pencil; it was only the size of a fingernail, but contained a thermometer. "Teacher, put this inside your body. If the temperature rises, can we verify the law of conservation of energy?" Tang Chenwei waved the small device in front of the teacher. "Wait...wait a minute, putting it inside might...ah..." Before the teacher could finish speaking, Tang Chenwei inserted the thermometer into her flower core, then used his penis to push it to its deepest point. "Teacher, for the sake of the experiment results, I need to speed things up!" "Hmm...please don't ejaculate inside!" Teacher Li resigned herself to her fate. Since she couldn't stop him from penetrating her, she might as well let him finish quickly. Tang Chenwei smiled at me in the crowd. I knew what he meant. "I'm not only fucking, but I'm fucking openly!" Tang Chenwei grabbed Teacher Li's snow-white breasts with both hands, increasing the speed and force of his thrusts. You could even hear the sound of their groins colliding. "Gently...ah...too deep...hmm..." Under such intense stimulation, the teacher still had to maintain her dignity as a teacher. She had to let her students know that she was just conducting an experiment, not taking the opportunity to enjoy herself. So, she could only secretly release the sounds of pleasure in her heart during the gaps in her speech. "Teacher, I feel my penis getting so hot, it's really generating heat!" Tang Chenwei was panting heavily, already at his limit. "Shoot...shoot outside..." Bound and unable to move, Teacher Li could only plead with Tang Chenwei, "Teacher, the heat is all concentrated inside my penis, if it shoots outside, it won't be detectable, ah..." Tang Chenwei lay on top of her, biting down on one of her erect nipples, and ejaculated inside her. The two in the classroom remained motionless, only Teacher Li could be seen convulsing from the impact of the hot semen. Both of them gasped for breath, seemingly having expended a lot of energy. Damn Tang Chenwei, he really knows how to make excuses, ejaculating inside her in front of so many students. Although I felt sorry for Teacher Li, I couldn't help but rub my hardened penis again. "Teacher, let's look at the results!" Tang Chenwei, having had his fill, finally released Teacher Li. Teacher Li struggled to climb down, her legs giving way and she almost fell. Tang Chenwei quickly supported her, taking the opportunity to grab her breasts and grope her. Ms. Li blushed shyly, her dignity as a teacher completely shattered by the boy's ministrations. She knelt down, parting her labia with her fingers, letting the thermometer drip with semen. Tang Chenwei, pretending to support Ms. Li from behind, was actually enjoying himself immensely, holding her breasts. Ms. Li, oblivious to Tang Chenwei's groping hands, pulled out the thermometer, wiped the semen off, and showed it to everyone.
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