Two Physical Education Teachers

“Are you okay, Masakazu?”

“Hmm…… I'm sorry, Munetaka…… Sorry for bothering you……”

“It's all right. It's okay……, can you stand up? Look, there's a restroom in the park. You'll feel a little better if you throw up.”

　Masakazu Funaki, a physical education teacher at Y High School, finally stood up with his colleague, Munetaka Shiomi, also a physical education teacher, lending him a shoulder.

　It had been almost a year since Masakazu was assigned to Y High School. Shiomi invited him out for a drink, not so much to commemorate the occasion. Normally, Masakazu would have been able to drink three shots of shochu without a care in the world, but for some reason, he was in a bad way today. He was dead drunk, and which leads to now.

“I am so sorry…… I am ashamed. I exposed such an abomination to my mentor, you……”

“Wahaha, don't worry about that. Everyone has their bad days. I used to be like you now many times.”

　Shiomi laughed, but Masakazu was still depressed at his own pathetic state.

　Shiomi was Masakazu's homeroom teacher when he was in the third grade of high school, and Masakazu had been a favorite of his since then. He is a sixth dan in kendo, and although he is nearly fifty years old, his body is as strong as a young man's. Masakazu also played rugby in junior high school, high school, and college, and he has also trained his body as a rugby player, but there is something else about Shiomi's body that gives him dignity. Masakazu admired his strength, which led him to pursue a career in teaching.

　Masakazu felt like holding his head in his hands for having been disfigured in front of the teacher he admired so much. At the same time, however, he was glad that he had leaned on Shiomi, his respected teacher. It was not in the sense of homoeroticism or anything like that, but simply as a man, he longed for Shiomi. Perhaps he was secretly feeling paternal toward Shiomi, who was as far removed from him as a parent and child.

“But still, it's unusual, you drink until this much. Am I right in assuming that you trust me that much? Hahaha……”

　At Shiomi's words, Masakazu's face becomes curiously hot. He doesn't know if it is due to shame or due to alcohol. When he sees Shiomi tomorrow at school, he will probably remember what happened tonight and blush even more than he does now.

　With this in mind, he finally reached the bathroom in the park, hugged the toilet bowl and vomited profusely. The back of his nose was twitching, and tears welled up in his eyes. He hadn't been this badly drunk since he was in college. That time, he had thrown up everything in his stomach, nearly dehydrating him and sending him to the hospital.

“Oops! Bleeegh~~!!!”

　Masakazu's moaning echoes in the spacious bathroom, while Shiomi silently rubs his back next to him. It feels very comfortable to him. Every time Shiomi rubbed his back, as if on cue, Masakazu's mouth began to overflow with vomit.

　Once, twice, three times……, ten times, twenty times, thirty times……

　Masakazu's back, drenched in sweat, was beginning to shiver.

　The contents of his stomach were already empty, yet his body was still trying to expel something. When he came to, Masakazu's body was so flabby that it could have been nothing but skin and bones.

　No, it is hard to believe, but the bones may have gone as well. Shiomi's stern, masculine face scrunched up at the sight of him.

“It's about time, isn't it? ……I'm sorry Masakazu……, but I'm taking your body!”

　Masakazu, now in the state of skin, was grabbed by Shiomi's large hands and carelessly tossed to the bathroom floor. As he lay on the cool, chlorine-smelling tile, his eyes caught sight of Shiomi, who was completely naked before he knew it. Shiomi is muscular and stocky, but when he takes off his clothes, he is plump and covered with age-related fat. And his cock, dangling between his legs, is also large and thick, fitting his big body. Masakazu's eyes were riveted by the grotesque veiny appearance of it. But soon he felt a strange sensation on his back as he was turned over backwards by Shiomi.

“Ah, ah, ah-uh……”

　An unspoken voice escapes from Masakazu's mouth. At the same time, he heard the sound of a zipper opening.

　When he turned around in wonder, he saw in the mirror a jet black cavity in his back. In that cavity, Shiomi, completely naked, had his strong legs thrust into it. The next moment, his left foot disappeared into Masakazu's skin.

“Oooohhhh!!!”

　Masakazu gasped in a wild voice as an unusual amount of pleasure flooded his left leg. Without a pause, the right leg was inserted next, and the pleasure surged again.

“Argggghhhh! What, what is this……, what is this feeling! Munetaka, what are you doing to me?!”

“Wahahahaha! Masakazu, from today on, I will put on your skin and become the new owner of that body of yours. Rest assured, I will live as you are, as 【Masakazu Funaki】 as before.”

　Masakazu was confused by the incomprehensible situation. However, even as he is doing so, a foreign body is invading his left arm and right arm as well── Shiomi's arm is invading his body without restraint. The strange sensation of a flesh-and-blood body being pushed into the inside of a human body. Shiomi's fat fingers and toes are touching Masakazu's one, which are now like tights all over his body, from the inside. Every time Shiomi's skin rubbed against Masakazu's skin, he felt an unexplainable sensation, and his flimsy penis twitches and twitches.

“Oh, haaaaah! Oh, please. Please forgive me already……! Please put me back to the way I was. ...... If you mess me up any more, I'll go crazy……!!”

“Don't be silly. I'm just getting started. I'm going to be the next one to get your cock.”

　Shiomi's big foreskin cock is inserted into the skin of Masakazu's circumcised cock like a big condom. Masakazu's vision turned white as Shiomi's cock was inserted deep into his anus without hesitation. It was a thrilling sensation as if he was being physically humiliated. His head instantly boiled over with such a pleasant sensation that he mistakenly thought he was experiencing an orgasm.

“Ugh! Arggh! Oohhhh♥♥♥”

　A charming voice like a beast naturally leaked out from Masakazu's mouth. The sensation of being violated inside of his body, the feeling of elation that is incomparable to when he inserted his penis into a woman's vagina, and the euphoric feeling that welled up inside of him at the same time. Masakazu's cock, which is of extraordinary length and thickness, is dominated by Shiomi.

“Ugh……, oh oh oh! Good, good condition your cock!! You're tightening my cock……, and it feels so good! My body and your skin are a perfect match!!”

　There was no time to answer Shiomi's words. Masakazu's mind was dyed with pleasure and he could think of nothing else. His body was taken in front of the mirror with Shiomi still wearing it. Shiomi's entire body already fit inside him. However, his appearance could only be described as awkward. It was only natural, Shiomi was five centimeters shorter than Masakazu and weighed almost 10 kilograms less. It was inevitable that he would end up looking like he was wearing a baggy dress. But that situation soon came to an end.

　Again there was a jiggle sound, and the large hole in the back was closed. And in the next moment, a change came to Masakazu's body. Inside, Shiomi's body swelled. The first change was in his chest. The pectoral muscles rose and the nipples bulged. In addition, his shoulders widened and his abdominal muscles began to crack. The arms and legs became thicker like logs, and the buttocks grew bigger with a firm sound, and the gap that should have existed between the skinned bodies of Masakazu and Shiomi disappeared in an instant.

“Now then, let's get to the finishing touches you've been waiting for, Masakazu♥”

　His head, which had been tightly pressed against the chest, was grabbed with both hands, and Shiomi's head was placed inside it. His rough breathing felt from inside Masakazu's face and his body heat melted Masakazu's brain. Their foreheads, noses, chins, and lips are in perfect contact, and Shiomi's tongue is thrust into Masakazu's tongue and entwines with it. It is as if they are kissing thickly. Saliva is flowing in his mouth, and the sweet, aphrodisiac-like taste is slowing Masakazu's thoughts.

“Nmmmm♥♥ Hmmmmm~~~♥♥♥”

　The wild moaning of Masakazu echoes through the bathroom. The whole body is being fucked from the inside. His face, torso, limbs, and cock become one with Shiomi. Masakazu's body convulses violently in an orgasm unlike any he has ever experienced, his cock erect and pulsing through his veins. Beads of sweat float on his skin, running down the surface of his taut young skin.

　He is afraid that his body will no longer belong to him alone. But even that fear turns into pleasure. The more his mind is messed up, the more he feels ecstasy at the thought of his body being taken over. The unbelievably close contact between their body, and the beating of Shiomi's heart that is transmitted through Masakazu's entire body, fills his mind──.

　When the changes in his body eventually subsided, the balls hanging between his legs contracted, and the contents of the testicles were discharged all at once. A large amount of sperm rushed up the urethra in an instant and was shot out with great force. The pleasure was so great that Masakazu's fearless face was so debauched that it was hard to believe that he was a teacher.

“Nhahhh♥ Ahee……♥”

　Masakazu's entire body is relaxed, and steam rises from the body as it convulses, and his body, which has lost its strength, slumps to the floor with drool dripping from the corner of its mouth. His body, still clutching the still-fragile penis in his knobby hand, handled it like a monkey, squeezing every last drop of semen out of it.

＊

　Shaking his broad shoulders and breathing heavily, Masakazu regained his breath and stood up slowly. Then, as if to make sure, he put his palms together. The muscles of his arms rose and fell as he posed and raised his fists.

“Phew…… As expected of Masakazu's body. It's the most erotic body I've ever seen.”

　Masakazu muttered in satisfaction as he looked at his own reflection in the mirror, and with a face like a narcissist, he decided on poses one after another. Finally, after hugging himself tightly for several tens of seconds, he put on his own clothes, which were scattered around the area, and stuffed Shiomi's clothes into the bag he was carrying.

“Now that his skin and my body are familiar, it's time to go to Masakazu's house……Then, from now on, I'm 【Masakazu Funaki】, so I'll have to be him. ……Alright, then, let's go home, to my house.”

　By pretending to be 【Masakazu Funaki】, he may have recalled the earlier scene, and his cock erected in his trackpants. After stroking it lovingly, Masakazu opened the bathroom door and headed home.

＊

“Phew, phew, phew……!”

　A regular low gasp woke me up. I was supposed to be in the park bathroom before I lost consciousness, but apparently I was now back at home. Munetaka has turned me into skin and taken my body, but fortunately I seem to be able to retain consciousness. I don't know if that is fortunate or unfortunate but──.

　What is happening to me now? In my hazy consciousness, I concentrated on the sensations I could feel. At that moment, I realized that a foreign object had been inserted into my asshole. It was a very thick dildo.

(Oh! Ah, hah♥♥)

　The shock of having a huge foreign object inserted into my ass made me involuntarily scream out in my mind. The stimulation that pierced through my lower body and into my brain, in accordance with the movement of my hips, which moved on their own accord, echoed through me, making me feel as if I were going crazy even though I had just woken up.

“Oh, me! It looks like you're awake!”

　【I】, who was playing with my asshole with a dildo while making a squishy sound, said to myself happily.

(Huh, hah……♥ Munetaka, what are you doing with my body?!)

“Hehe, I'm going to make a new body for you…… Oh♥”

　【I】 keep shaking my hips up and down violently while saying words I don't understand.

“Oh, oh, oh! I love it, I love it, I love a young man's body♥”

　【I】 a vulgar hoarse voice that I have never heard before leaks out from my mouth. The actual mirror is set up in front of the wall, where the image of 【me】, who is enjoying the pleasure of shoving the thickest dhildo into my ass hole, which is fixed to the floor.

　My anus, which was spread far more widely than when the doctor stuck his finger in me during my physical exam, was stretched to its limit, jerking and twitching frantically in an effort to suck in the huge dildo. Every time my anus was penetrated, I felt sparks of pain and pleasure in my head, and 【I】 was writhing in my body, letting out an inarticulate sound from my mouth.

“Oh, oh, oh♥ It'll be coming out, your new body!!!”

　With a low groan, 【I】 turned my body over and convulsed all over. Hot, thick, sloppy semen shot out of the tip of my cock, which was so raging that I wondered if I had ever been so erect in my life. Once, twice, three times, the pulsating semen splattered all over the wall, and even stuck to the mirror. It looked like the shape of a human being. The cloudy white cum quickly took on the color of human skin and turned into a leathery appearance.

(Munetaka, what the heck is that creepy skin-like thing……)

“Haaah……, haaah…… I told you, right? This is the new body you're going into today.”

　Peeling off the skin that was stuck to the wall, 【I】 happily took the skin with both hands and spread it out. The surface of the skin, which is like human skin, has somehow grown a full set of hairs, and there are also short, hard, hairs on what appears to be the head.

“Look at this. It's pretty good, don't you think?”

　Standing in front of the mirror, 【I】 proudly showed me the face part of the skin. The skin of the face is flimsy and looks like a fake mask. But it was unmistakably the face of 【Munetaka Shiomi】. 【I】 suddenly sucked on his lips and began to blow into them as if I was inflating a float. The skin was swelling up, just like Munetaka's. In no time, the skin forms the outline of 【Munetaka Shiomi】.

“Nmm……♥ Hah, hah……♥”

　When 【I】, who let out a somewhat glamorous exhale, let go of my lips, there lay a body that was a exact duplicate of Munetaka's. His body, lying naked on the floor, was not only his face, but also his torso from the neck down, his arms, his legs, and even the cock in his crotch, all of which were reproduced from the body I had just seen in the bathroom.

“Phew……, now you're all set. Now all I have to do is move you into this skin, and this 【Masakazu Funaki】's body will be mine alone. And you will be Shiomi-sensei from today. Aren't you happy? You can become the 【Munetaka Shiomi】 you've always wanted to be.

(Please don't do this, sir. Please, return me to my original body……!)

　I pleaded to 【me】 in the mirror. However, 【I】 kept a thin smile on his face and would not answer anything. Then I took out my bag and smeared some lotion on Munetaka's asshole, inserted my cock into it and began to swing my hips.

“Come on, let's go! Huhhh……♥ Ughhhhhhhh♥♥♥”

　Every time 【I】 moved my hips back and forth, an obscene sound echoed through the room. The cock that grew on Munetaka's empty body is swaying back and forth without any effort.

(No, Munetaka……! Stop it!!)

“Nmmmm♥♥ Ngaaahhhhh♥♥♥”

　My wishes came true, but 【I】 kept moving my hips in a pleasurable manner. In accordance with the movement of my hips, a husky moan is constantly leaking from my body, and it is as if I am masturbating with a masturbator. If 【my】 body ejaculates, something bad will surely happen. But I can't do anything about it. All I can do now is watch the lasciviousness of 【me】 through my own eyes.

“Oh, yeah♥♥ Soooo nice♥ Munetaka's asshole is so great!!!”

　【I】 continue to shake my hips and indulge in pleasure with all my heart. A man's asshole is much tighter than a woman's pussy. 【I】 was so absorbed in thrusting my cock into the tight asshole that I felt as if my cock might be taken away. The stimulation of the folds of his intestines entwining around me is more comfortable than any other woman I have ever tasted, and I feel like I am going to get addicted to it.

“Oh, I'm cumming♥♥ Cum, I'm gonna cum♥♥♥”

（No, please don't creampie me!!! Ohhhhhhhh♥♥♥)

　My desperate cries were in vain, and 【I】 turned my body over and climaxed. A large amount of semen, pulsing and spitting out, poured into 【Munetaka Shiomi】's intestine. At the same time, white sperm splashed vigorously from Munetaka's cock and poured down onto his face. The last time I saw that scene, I was expelled from my own body. It was the sensation of leaving the body I had grown accustomed to for 30 years, and my spirit being transferred to someone else's. It was an irresistible pleasure that far surpassed the pleasures of masturbation and sex.

＊

“……Hey Munetaka, please wake up……”

　Shiomi regained consciousness as a voice called out to him, shaking his shoulders. In front of him was Masakazu, smiling and staring at him.

“Oh, I……? Nnnng, this voice is……?!”

　Shiomi, holding his throat, stared intently at his palms, then staggered over to the mirror. What was reflected there was unmistakably the body of 【Munetaka Shiomi】. He leaned his face close to the mirror and looked at it intently, then muttered in a whisper.

“I really have turned into Munetaka, haven't I……?”

　A sense of discomfort hit him as he uttered the words. Even though he was forcibly transferred from 【Masakazu Funaki】's body to 【Munetaka Shiomi】's body, he felt as if he were imitating Masakazu's way of speaking. Shiomi involuntarily sat there with his head in his hands. His brain was going haywire, to the point that he felt as if he were going crazy. Yet, when he heard his own croaky voice, a sense of euphoria overflows from deep within his chest, and when he looked at his manly, stocky body reflected in the mirror, he felt aroused.

“How do you like it, Munetaka? Everyone who enters the skin I've made becomes a captive of its pleasantness.”

“Does it feel good? This? ……Nnh♥”

　Hearing Masakazu's words, Shiomi realized that his crotch had a boner. The moment he fearfully reached out and touched the stiffened cock, a sweet numbness ran through his entire body like an electric current.

“Fuuuuuck ♥ This is my cock……♥”

　He reflexively mumbled 【I】 like Shiomi, and covered his mouth in a hurry. But it was too late. The very first time he recognized himself as Shiomi, his head started to produce pleasure substances like a dam, and he was intoxicated by the sheer pleasure of it all. Certainly, he had admired 【Munetaka Shiomi】. However, it was as a teacher, and Masakazu had never really wanted to be 【Munetaka Shiomi】 itself, even though he had wanted to be a man like him.

　And yet, every time he plays with that cock dangling between his legs, a rush of pleasure surges through him to his brain. He felt joy at being able to become 【Munetaka Shiomi】. His strong face with deep wrinkles, his sturdy, muscular body, and his big, thick, foreskin cock that is erect. All of them are adorable. Shiomi began to fondle her own body.

“Haaaaahhh♥ It feels so good, it feels too good. Is this my body点々♥”

“Yes, it is. That's what you really are. Come on, let's make you feel even better.”

“Oh, I'm going to feel better. I'm 【Munetaka Shiomi】 from today onward, and it feels so good I can't stop, Masakazu.”

　Shiomi handles his own cock with his right hand while his left hand crawls on his breast. When he pinches his nipples, a sharp sensation of pleasure runs through him. Unable to resist, he pulls and squeezes both nipples with his hands, but it's not enough. He wanted to feel more…… As if to help, Masakazus fingers crawl around Shiomi's thick torso, tracing up and down along the grooves of his abdominal muscles. When he plunged his index finger into his navel and moved it grimly, he felt such pleasure that he almost ejaculated just by doing so.

“Oh, my God, that tickles♥♥”

“Your cock is already erect. Are you a very perverted person, aren't you? See……, you like it when I do this to you, don't you?”

　Masakazu raised Shiomi's arm and put his nose close to his unprotected armpit and sniffed it, then licked it up tongueily. Shiomi's body jumped up and down as Masakazu scratched through the jungle-like armpit hairs, moist with sweat, and inserted his tongue into the hollow at the back.

“Hey, that's a bad spot♥ It's a dirty spot, you're not supposed to lick it! Stop it!!”

　A body that until just a few minutes ago was not his own. And yet, every time he is fondled and jostled by someone else, he feels a twinge of embarrassment, as if it had always been his own. Moreover, the other person is his former self. The man who took his body licks his body, rubs his sweat-soaked skin, and presses his lips against his. Shiomi could not suppress his excitement at such a perverse situation.

“Hahaha, you're still so cute. You must like me a lot, don't you? After all, I played around with that anus every day for the past few days, thinking about 【Masakazu Funaki】 while I was using that body.”

“That's such a thing……, aaah♥”

　Shiomi could not refute Masakazu’s words. It was because it was true. He loved his former self in front of him. The face and body that he had seen every day. The naked body that he had never felt any emotion toward until now, but his body is craving for it to the point of insanity. Even now, just by looking at Masakazu, Shiomi's cock is flowing a lot of pre-cum.

　He has a short, trimmed head of hair and a well-groomed beard. He has a fearless face that is both stern and fresh, just like a physical education teacher. He has the muscular physique of a former rugby player. Shiomi admired everything about the man who had just taken his body. Of course, he was also admiring the magnificent cock that stood tall between the legs of his muscular body. He wanted to be fucked by that big cock, he wanted his asshole to be stirred up, and as he sincerely thought about it, his hand naturally reached for his own anus.

“Oh, oh, Ahahhh♥ That feels so good♥”

　A thick, knobby finger moves in and out of his asshole, which is soaked with lotion and semen. Each time, a sweet voice escapes from Shiomi's mouth. The pleasure is far stronger than when he was masturbating on 【Masakazu Funaki】's body. The sight of him shaking his cock and devouring pleasure while being watched by his grinning and gloating former self would be so miserable and ridiculous. But it feels good. His body, which knows the pleasure of being fucked in the ass, helplessly craves for the male's cock.

“Please let me in, Masakazu's cock♥ I want your cock inside me♥ Please put it in me♥♥”

“You are such a slut. I can't believe you wanted your own cock just now. I understand, I'll give you my cock, which you love!”

　His tone was teasing, but Masakazu was probably also aroused. His face was flushed and his cock was bristling with clear liquid. He put his hand on the manhood, put it against Shiomi's anus, and inserted it while making noise.

“Ngaaahhh♥ It came in♥ It feels so good♥♥”

　Shiomi's face was tinged with pleasure at the long-awaited sensation. When Masakazu's long, thick, rigid penis entered him, twisting through the folds of his bowels, he felt a jolt of electricity run through his entire body. After penetrating to the deepest point, he slowly pulled out. Shiomi's spine shivered as he felt as if he were defecating. Every time the corona of glans penis scratched his sphincter, an inexpressible sensation of pleasure surged through him. Unable to resist, Shiomi put his hands around Masakazu's neck and held his hips with his legs.

“Oaaahhh♥ Great♥ I'm so excited, I can't stop myself from cumming♥ My asshole is flipping♥♥”

“Ha-ha-ha-ha! It's so tight, sir. You really love me, don't you!!”

“Yes! Yes! Yeees♥♥ I love you so much, Masakazu, that my brain is melting down. Please fuck my ass some more♥♥♥”

　As if in response to his words, Masakazu's piston movement becomes more intense with a big smile on his face. Every time the dry sound of his crotch hitting the ass echoes through the room, Shiomi's well-trained body leaps up, and his huge cock, which is so erect that it almost sticks to his stomach, drips out a sloppy stream of pre-cum. The body he had been using just a moment ago was now shaking its hips frantically, covered in sweat, with a face soaked in pleasure in front of his eyes. Shiomi's brain was pumping with dopamine at the sight of this perversion.

“Hahhh♥ Cum, I'm gonna cum♥ Please cum inside my asshole, Masakazu♥ I'm going to cum with you, ahhhhhhh♥♥”

　He had never even performed anal masturbation before, but he was completely fascinated by anal intercourse between men. He was so familiar with 【Munetaka Shiomi】's body that he had completely accepted everything about it.

“I'm going to cum, Munetaka! I'm going to shoot all the thick stuff in my balls into you! Please accept my cum!!”

──Dop-dop-dop! Byururururuuuuuu!!!

“Ooooooh♥ It's hot♥♥ Masakazu, Masakazuuuu♥♥”

　Shiomi's body arched up as a huge load of nostalgic cum poured deep inside his body. The heat was too much for him, and he clawed at the sheets while his legs were thrust straight out, every muscle in his body jiggling and twitching, his body rippling over and over. The pleasure was more intense than any climax he had ever tasted before, and he spewed his sticky sperm into the ceiling in a swoop, his mind going blank.

＊＊＊

“All right, then, boys and girls, clean up and get dressed ten minutes before class ends. We have a meeting about the gymnastics festival. Don't slack off!”

　I told the students, looked over at Munetaka, and left the field with him.

“Mmm, haaaa…… Hmm……♥♥”

　I rushed into the gym and slipped off the trackpants I was wearing and removed the chastity belt that was firmly attached to my cock. Semen immediately shot out of my urethra and filled the condom that was attached to my cock. It was so comfortable that both of my legs were wobbling.

“Hehe, that's a hell of an ejaculation. Did you have that much pent up cum, 【me】?”

　【Masakazu Funaki】 opened the warehouse door and came in. And now I am also 【Masakazu Funaki】. People who look exactly alike, like identical twins, exist in the same room. I could not contain my excitement at this unrealistic situation.

“Oh……, oh…… There's 【me】……”

　I had no time to answer his question and just stood there stunned. The thick semen that had collected in my balls was once again spurting out from my erect cock with great force. As the condom swelled with the cum of my former self, the violent spewing of semen, which still did not stop, made my face melt with rapture, and I remembered what I had done since that day.

　On that day, I was reborn from 【Masakazu Funaki】 to 【Munetaka Shiomi】. My body was forcibly swapped with a body as different in age as a parent and child, and although I was bewildered at first, I was able to adjust to this life surprisingly quickly. This was because the skin I was made to wear had the memories of the life he had lived as 【Munetaka Shiomi】. His wife was completely unaware of the change in his body, and I continued to dally night after night with the woman that this man 【Munetaka Shiomi】 had loved so much. However, it was my former self who most aroused my heart.

“Aaahhh♥ I'm so happy♥ Being fucked by your cock in my asshole feels so much better than sex with my wife♥♥”

　In the morning, during lunch break, and after school. I was fucked in the asshole by Masakazu many times. I had already been cum inside my asshole three times, my anus was tingling, and the pit of my stomach was hot. My whole body was covered in sweat, and the smell of manly odor filled the small private room of the teacher's restroom. I stand with one foot on the wall of the private room and thrust my asshole, which is now dilated in the shape of Masakazu's cock, out to show it to him, and he inserts his hardened manhood into it.

──It's the best……

　How could I be so happy? I continued to bask in the pleasure of having my asshole fucked by a man who was once my former self.

“Today, let's go back to your original body after a long time, Munetaka?”

　The next morning, saying so, he offered me the skin of 【Masakazu Funaki】. It was a strange feeling to look at my own skin objectively. I swallowed spit with a gulp, passed my arms and legs through that skin, and put my face and cock on top of each other.

“Oh, ah, aah♥ This body♥ I'm back in 【my】 body♥♥”

　When I crawled into 【Masakazu Funaki】's body, I squealed with delight. However, what I felt was not the joy of being back to my former self. Even though I had only been apart for a few days, I felt as if 【Masakazu Funaki】's body was no longer mine.

　The despair I felt once again. And far exceeding that, the immoral feeling of wearing the skin of the man I loved made my cock have a boner violently. A familiar cock. But a cock that had become someone else's. My head was filled with thoughts of my former cock.

“Well, don't you feel nostalgic? Now that you've gotten used to 【Munetaka Shiomi】's skin, doesn't it feel great to feel like you're wearing someone else's skin?”

“Hah, hah, it was the best♥ I love 【my】 body. I can't wait to masturbate. I want to squeeze my cock and ejaculate as hard as I can♥♥”

“Don't rush. You should try to get into the mood by teaching a class in that outfit for the first time in a long time.”

　And so I taught classes as 【Masakazu Funaki】 for a day. If I let my guard down even a little, I had to wear a chastity belt so that I would get an erection from the excitement of my current body, and I had to wear a condom so that my underwear and trackpants would not be soaked with pre-cum. Every time I gave a class, the students would look at my face and recognize me as 【Masakazu Funaki】. This fact gave me an unspeakable pleasure.

(I am now 【Masakazu Funaki】……♥)

　Until just the other day, that was the norm. But now it is no longer. Now I am a perverted PE teacher who wears the skin of 【Masakazu Funaki】 and erects the cock.

　During gym class, I couldn't hold back any longer. Taking advantage of the fact that the gymnastic festival was coming up, I lied to the students and ran into the warehouse. Seeing me releasing my cum in a condom vigorously, 【I】, who had followed me later, grinned at me.

“Cumming♥♥♥ I'm cumming with the body of 【me】 while 【me】 is watching me♥♥”

　I am a captive of my former body. A former rugby player, a stocky, muscular physique. 【I】 am proud of my pectoral muscles, which 【I】 have worked out every day without fail. The hairy armpits and hairy crotch. The long, thick cock hanging down from there. I love all of them.

　As I was groping my body with both hands, feeling the afterglow of my intense ejaculation, before I knew it, 【I】, who was in front of me, removed the condom filled with sperm and began squeezing the two cocks, which were erected in the same shape, up and down with his big palms. At the same time, they let out a hot breath, and at the same timing, the same thick amount of pre-cum began to drip down.

　My heart raced at the sight, which was like a mirror match. Lips of the same thickness overlapped, tongues of the same texture entwined. Our saliva mingled together, pulling strings and dripping from the edges of our mouths. Then we rubbed the corona of glans penis and the underside of our cocks against each other , stroking the glans, our bodies trembling at the same time.

““Arghhhhhhhhhh♥♥ I'm gonna cum♥♥♥””

　The exact same gasp escapes from our mouths. Two cumshot out of the tip of our glans with great force and splattered on the floor. My face was enraptured by the volume and thickness of the exact same cum that I had once ejaculated, and my cock hardened again as I imagined the sex that is about to take place with 【me】.

(End)

Difference pictures are under.