Body-swapping train car (Pixiv Fanbox)

“──you can always be the one want to be……”

　The voice of a female singer, which he had heard hundreds of times, came through his wireless earphones. As if to drown out her clear voice, a train slid onto the platform.

　Perhaps because it was halfway through the day, the train was deserted when he boarded. The only people on board were a punk with his arms crossed and fidgeting, a middle-aged man with thinning hair who was dizzy from drunkenness, and a high school baseball player in his uniform, tanned black.

　‘Thank God.’ 【Hideto Kiryu】 said to himself in his mind and sat down on the empty seat. At that moment, his panting legs trembled slightly. The muscles in his thighs, overworked by the university judo club, were screaming.

（Hmmm……, I was very tired today too……）

　Leaning his sweaty body against the seat, Hideto looked up at the ceiling in a daze. His body has changed a lot in the two years. The most noticeable change is in his lower body. His thighs and buttocks have gained so much muscle that his pants have gone up two sizes since he entered the university.

　He has also gained more than 20 kilograms in weight, although he had been gaining weight. Furthermore, his growth spurt has not ended, and his height has also increased by five centimeters since he entered the university, and he is now 190 centimeters tall. Although he is fully grateful to his coaches and supervisors in this area, he still has to practice too much. Today, too, he was made to run until he was exhausted, and then they had to play Randori（free practice） for almost two hours.

　And since their opponents included former police and businessmen, there was no holding back at all. If it weren't for the fact that he was being watched, he would have been tempted to just lie down on the seat.

　Hideto looked at the high school ball player sitting in the seat in front of him and saw that he, too, is exhausted and has eyes like a dead fish. Perhaps he is sleeping with his eyes open.

　'I know how you feel, junior.' Hideto chuckles as he thinks of that. They can sympathize with each other because they are both training their bodies to achieve the same high level. However, they cannot be discouraged by this level. Hideto plans to push himself even harder for the upcoming competition. For that reason, he needs to nourish his energy as much as possible. With this in mind, he slowly closed his eyes, thinking it was just until he reached the station where he would get off the train.

＊＊＊

“This is a 【Body-swapping train car】. Please be careful about the 【Pleasure】 when you body-swapping……"

　It seems that he was fast asleep before he knew it. Waking up by the announcement in the car, Hideto wiped off his drool and looked around. It was dark outside the window. It was dark because it was nighttime, of course, but there was no moonlight or city lights. It seemed that they were in a tunnel.

（Did I oversleep……？）

　He hurriedly checked his phone and found that he still had some distance to go to the station where he was to get off the train. Relieved, Hideto turned his gaze forward once more and felt a strange sensation. Even though the inside of the train car was as unpopular as ever, somehow, the drunkard middle-aged man who had been sitting in his seat and out of it earlier was standing in front of him.

　And in front of the high school ball player, a punk stood holding a straps in both hands. Sensing a somewhat spooky atmosphere, Hideto looked up and saw the drunkard middle-aged man giggling and laughing.

“What's up……, you, fucking guy?'

　The drunkard middle-aged man's mouth twisted into a grin as he gazed at him.

“You have a nice body……. I like your cool face and muscles……, I will get your body, right?"

“Huh?”

　What is this fucking guy saying……? Hideto reflexively tried to stand up. However, as if something was holding him down, he couldn't move his body. On the contrary, he could not move a single finger and could only make his mouth wide open. Unable to catch up with his understanding, greasy sweat began to drip down from his forehead.

　He moved his eyes to look at the high school ball player, who was also unable to move, staring at the punk's face with a frightened look in his eyes. Something dangerous is about to happen. Alarm bells are ringing in Hideto's head. Therein, an announcement is made in the car that baffles him even more.

“Now that you have decided on a body-swapping partner, please inject your bodily fluids into the person in front of you. Please note that you will be parting with your previous body after this transfer.”

“Kuhhhh……, did you hear that? You heard that, then, let's get started……”

　The drunkard middle-aged man took off his suit and shirt and stood in front of Hideto, erecting the cock in his pants. He was already breathing heavily and his cheeks were flushed, as if he was already excited.

“Don't come any closer!!”

　Hideto shouted frantically, but his body still wouldn't listen to him. The man unbuckled his belt, which was covered with a muffin top, and then he slid off his underwear in a single motion. At that moment, the steaming smell of the man's underwear entered Hideto's nostrils. Hideto doesn't know if the man hadn't washed his crotch properly, or he hadn't washed his underwear properly, but it was a terrible smell anyway.

　In front of Hideto's eyes, a dirty cock covered with frizzy hairs was pointing up to the ceil and erect. It was so short that Hideto honestly wondered if the man had an erection, and the way most of the glans was still covered with skin, even though it was erecting, made Hideto disgust.

“Here we go……”

　As soon as the drunkard middle-aged man muttered that, a slimy pre-cum overflowed from its tip. The next moment, lukewarm thing invaded Hideto's mouth.

“Mmmm……?!!”

　By the time he realized that it was the tip of the man's dirty cock, it was too late. Along with the slippery sensation, an unidentifiable bitter taste spread out. It smelled like raw garbage and vomit. Hideto tried to turn his face away from the intense discomfort. However, he still couldn't move from the neck down.

“Ah……, I like you, I love your body♥”

　The drunkard middle-aged man is taking pleasure in the pleasure, his manhood jiggling and quivering inside Hideto. His face is covered with a stubble and he is melted by attractive of Hideto's body. He has tearful eyes for Hideto, and drool is trickling out of the corners of his mouth.

'It's too creepy! Why do I have to put a man's cock in my mouth? But as if ignoring the tears in the corners of my eyes, my mouth continues to be filled with his pre-cum of a perverted man. I even feel as if my mouth has become a fleshlight for him. Before I knew it, I had begun sucking on the his poor cock, skillfully manipulating my tongue.'

“Ahhhh…… ,yes! it feels so good, macho. Your mouth is great fleshlight. I'm comming, I'm gonna cum……♥♥♥"

──Dopp-dop!! Byururu, byu-byu-byuuuu! Bubyuuuuu!!!

　How can this little cock produce so much cum? So much cum slammed into the back of Hideto's throat that he thought so. The amount was too much to swallow, and the backwash dripped down Hideto's chin and chest plate.

“Ohoho……♥ My cum is still coming out, ohoho♥ That tough body of yours is going to be mine♥”

　The drunkard middle-aged man pulled out his cock from Hideto's mouth and suddenly sat down so that his flaccid ass was pressed against Hideto's stout lower body. A soft sensation spreads between Hideto's crotch.

“Stop it, get away from me, fucking guy……, ah?! Ahhhhhh……♥♥♥”

　Suddenly, Hideto gasped at the pleasure that swept through his entire body. The shock was too strong to be described by words such as pleasure.

　The scene was reminiscent of scenes in fictional worlds such as movies and anime where ghosts possess the bodies of people. The very moment, the man is now transferred into the body of another human being. His body sinks into Hideto's one, making obscene sounds reminiscent of pubic penetration.

　Legs, crotch, upper body, and head…… combine, as if their bodies were melting into each other.

“Fuck you! Don't come into me…… Uh, I'm gonna not me anymore! I'm…… going to…… be 【Me】, Huh, I'm going to…… be the fucking guy, oh my God!! I'm gonna crazy !!!!!”

　The moment their faces were completely attached and combine, Hideto let out a crazy cry. He had a look of pleasure on his face, and then he dropped his wide shoulders with a dalliance and lost consciousness, his white eyes peeling back.

＊

　Fuga Soejima, a high school ball player, was shaking with fear. Because he had just woken up from a nap on the train after a hard day of club activities when suddenly an extraordinary scene unfolded before his eyes.

　The sight of a human body sinking into another human body. He damned if such an unrealistic thing be! Must be dreaming. As he shook his head to wake up, the body of the drunkard middle-aged man popped out of the muscular man's body and rolled on the floor of the train car. It was still a strange situation, but had the two of them returned to normal?

　Thinking so, the moment he saw the muscular man's face, Fuga gasped. He had raised his voice loud earlier, protesting against the drunkard middle-aged man. But now, his manly face was disheveled and his tongue was hanging out. He looked around at his body, which he had probably worked out over the years, and let out a weird laugh.

“Oh……, wow……, so nice! This is my new body, huh……♥”

　He muttered, and then he folded his hands behind his head and arched his upper body. Like a bodybuilder, his body had a wonderful curvaceous shape. In that pose, he now spread his legs wide open as if to show off his abs. Then, his cock in his crotch grew bigger and bigger.

　He is excitied about his own body now. He has been physically taken over by the drunkard middle-aged man in this strange car. And he is not the only one whose body is taken over. It is not only him who will be physically taken over, but also me.

“The old guy over there seems to have gotten new body of a muscular man. Now it's our turn, boy.”

　The punk standing in front of Fuga smirked and slowly approached him.

“No, please……, don't come, Don't come close to me!”

　He desperately tries to escape, but his arms and legs are immobile.

“Kuhihihihi……, it's okay. It'll be over soon.”

　The punk took off his pants and underwear, revealing his already erected cock. Earlier, it had been also said in the announcement in the car. From now on, we must inject bodily fluids into the person in front of each other. I'm one of them.

“Nmbhhhh!!”

　Fuga was involuntarily overcome with a sensation of vomiting as a hard cock was thrust mercilessly into his mouth. But even if he wanted to vomit, he would not be able to do so because the manhood was deeply penetrated in his mouth. On the contrary, the punk began to shake his hips and started pistoning so hard that the tip of the glans even hit the back of his throat.

“Oh-ho! Soooo nice! I love high school baseball player's mouth pussy!”

“Nnnngggghhh!!!”

　Every time the tip of the cock hits the back of his throat, nausea rises in him. But at the same time, a strange sensation also came up. The more the mucous membrane inside his mouth was rubbed, the more something hot rose up from deep inside his body. He had never had sex with a woman before, let alone kissed one. He had never thought that he would be forced to serve someone else's genital. But……

“Ohhhh! I'm cumming! I'm gonna cum!! Oh, oh, oh♥♥♥”

　At the same time as the punk shouted, Fuga felt a sticky liquid pouring into the back of his throat. At that moment, there was a shock as if lightning had struck his brain. It was the most intense pleasure he had ever experienced. His whole body convulsed, and cum leaked from his cock. The pleasure was so great that he ejaculated. His bulging ball sack contracted and a large amount of cum was released.

“What the hell, you ejaculated, that's a lot of premature ejaculation. I can't believe I'm about to become one of those kids who ejaculates just by sucking the partner's cock……, that's exciting!”

　The punk, who muttered with a fascinated face, superimposed his own body on the body of the high school baseball players, whose lower body was trembling. As expected, just like the drunkard middle-aged man and Hideto earlier, his body sank into Fuga's body. And in no time at all, his whole body was swallowed up. The moment their faces combine, Fuga let out a lusty cry. At the same time, the punk's body rolled out of that body, as if spitting out a foreign object.

“Uh, Huh……, I have succeeded in the body-swapping♥ Best service as ever, this train car♥♥♥”

　Perhaps Fuga has ejaculated again, and he has a fawning look on his face. Then a muscular man approached him.

“You're that punk from earlier, right? If you like, I'd like you to have sex with me……♥ Until I got on this train car and had this body, I only liked women, but now I can't stand the sight of a muscular boy like you. A lot of pre-cum is already leaking from my big cock……♥”

“Oh, of course I'm okay with that. I'm having trouble getting my cock to grow this big, too. But can't you do something about that tone of yours? If you focus your mind, the memories of your body will flow into it and change the way you talk.

“……Is that so?”

　After tilting his head and contorting his stern face curiously, he began to speak quietly after a while.

“Hmm……, ah, I'm Hideto Kiryu, I'm a member of the university judo club and I'm trying to win the national championship. Nice to meet you. ……Oh wow, that's great! Memories of this guy keep coming back and flowing into my head. The more I remember them , the more my new cock gets erected♥”

　Hideto showed a enraptured eye as he groped his crotch.

“You are wonderful, Hideto. You have a huge body and cock. You're the perfect guy for me! Then have sex with me! Please call me Fuga.”

“Oh, please……, Fuga!”

　Fuga took Hideto's huge manhood in his mouth and began to caress it slowly with his tongue. When his tongue was moved so skillfully that it was hard to believe that he was a high school student, Hideto began to shake his hips in response.

“Oh-ho! It feels so good♥ Huh, Fuga! Give me more, give me more!”

"Whoo! I understand! Your cock is sweaty, salty, and very tasty! Ohhhhhh♥”

　With a loud and violent sound, Fuga continued to suck Hideto's big cock. With his left hand, he is rubbing Hideto's ball sack, which is full of cum, while with his right hand, he is playing with Hideto's nipples. Each time, Hideto continued to moan like a beast.

　Sweat dripped down from Hideto's hairy armpits like a jungle, and his male smell spread around the area with a pungent odor. His eyes were narrowed, his thick eyebrows droop, and his mouth was slack. The sight would appear to anyone's eyes to be nothing more than a pleasure-seeking.

　And his climax came quickly.

“Hgghhh……! I'm gonna cum! I'm cumming, Fugaaaa! Ahhhhh!!!!!”

　With a scream, Hideto ejaculated grandly. It was the most tremendous amount he had ever experienced. The cum that overflowed from Fuga's mouth ran down his body and spread all over the floor. Even so, the momentum did not abate. As if turning the faucet all the way up, a huge amount of white cum continued to gush out from Hideto's cock.

“Oh-hohoho! It's still coming out! It won't stop! Ohh! Ohh♥♥♥”

“Nbbb! Nmmm, gulp, gulp……♥”

　Fuga used the entire length of his throat to drink the cum. But the amount was too much. Hideto's cum flowed back into his body, and semen spurted out of Fuga's nostrils. When the long ejaculation finally ended, Hideto took his cock out of Fuga's mouth with regret.

“Hmmmm……, that came out soooo much…… I've never cum like this before……”

“Weeep♥ I've never had this much to drink before♥ But I'm sure there's more to cum, right, Hideto?”

“Yeah. Apparently, this body can't get enough of this…… Let me fuck you in the ass next time, Fuga.”

“Okay! Please come on, your big cock into my asshole! This body is the first time used the asshole, but now it's as open as a pussy. The "Body-swapping train car" is special♥”

　Fuga removed his cum-stained uniform pants and got down on all fours, raising his buttocks high in the air. His immature anus was already twitching, and pink flesh could be seen and hidden deep inside the intestinal wall. Hideto relaxed his cheeks and used his meaty tongue to lick around the high school student's tender anus. Fuga's body shuddered with a jerk under the raw, warm stimulation.

“Huh-umm♥ Hurry up, Hideto♥♥”

　Pleased by his initial reaction, Hideto took his stiffly hardened cock in his hand and inserted it into Fuga's asshole all at once.

“Wow♥ Your cock is coming into me! Big Cock of a muscular judo player♥♥”

　In the “Body-swapping train car”, every passenger's anus is in perfect condition without any preparation so that sexual intercourse can take place smoothly. Even so, Fuga's eyes peeled back at the sheer mass of Hideto's cock. As if in response to the shock he received, Hideto's huge cock becomes more and more erect.

“Oh, wow♥ It's soooo amazing♥ This is the asshole of a high school baseball player who is aiming for the Koshien championship♥♥”

　Hideto started shaking his hips like crazy. The drunkard middle-aged man had never had sexual intercourse with a woman even in his middle age, and the same was true for Hideto. The warmth of the flesh, even if it was a male asshole, was an unknown pleasure for him, and it was no exaggeration to say that it was a narcotic.

“Uhhhhh! I'm cumming! I'm gonna cum again! I'm cumming in a high school baseball player's asshole! Noooooooo♥♥♥♥♥”

　As he slammed his own crotch hard against Fuga's ass, Hideto let out a wild, earth-shattering gasp and ejaculated. At the same time, Fuga climaxed as well.

“Huh-uh♥ I'm going to cum too! Hideto, Hidetooo♥♥♥♥♥"

　Unlike his brown tanned skin, his pink skin-covered cock jerked and a thick white fluid spurted out like a fountain from his glans . It made a splashing sound, staining the seat and floor in front of him until it turned to sludge.

“Kuhaaa……, wow……♥ Sex feels so good. I've never felt such pleasure in my life……♥”

　Rubbing Fuga's hard breast plate, Hideto pressed his own lips against Fuga's mouth with a satisfied smile. Making an obscene watery sound, the two exchange tongues and saliva with each other. When they finished their long deep kiss, a transparent bridge made of saliva was formed between the tips of their tongues.

“Mmmm……♥ Puhhhh……♥ Hideto, please……, let's do more……, let's do more, please♥♥”

　As Fuga muttered with an ecstatic expression on his face, the train announcement was heard again.

＊

“We will soon be arriving at the last stop. We ask that you please inject your partner who has awakened to complete the body-swapping by injecting him with your cum once again.”

　With the unintelligible train announcement as usual, the drunkard middle-aged man, who had been 【Hideto Kiryu】 until a few minutes ago, regained consciousness. His body was somewhat hot and his whole body was sweating.

“Nmm……, where am I……? What in the world am I doing……?"

　The drunkard middle-aged man shook his head lightly, wondering if he was still sober. His head is pounding, and his thoughts were not in order.

“I'm sure I was on a train and…… Yeah, someone stuck his cock in my mouth and…… No, it was…… me who stuck the cock in someone's mouth.”

　He tryied desperately to get his non-rotating brain to work. But his alcohol-soaked brain couldn't remember anything more than that.

“Ugh……, no. I can't remember anything…… But still, my body feels mind-numbingly hot……”

　After thinking that much, he realized that he was completely naked. The manhood that would normally be encased in pot belly at the crotch is slithering stiffly.

“Huh, why am I naked! And my cock is so big…… Ugh!”

　Suddenly, his crotch began to tingle. It pulsed with a thump, as if all the blood flow in his body was gathering there. As he was puzzled, a man standing in front of him grabbed his base of cock.

“Are you awake, old guy? I'm going to make you cum with my big cock in return for the blow job just now.”

　Saying that, the stocky guy──, 【Hideto Kiryu】 smiled fearlessly. Looking at his well-trained and strong body, the drunkard middle-aged man felt like he could remember something, but he couldn't think straight. His heart was pounding like a girl in his first love.

“Oh, you're that one earlier…… What the hell was that…… about making me cum?”

“You've forgotten what you used to be like? But maybe you'll cum more comfortably that way. Come on, stick your filthy asshole over here, old guy.”

“Ah, yeah……”

　As he was told, the drunkard middle-aged man put his hands on the window and turned his asshole to Hideto. His anus was already twitching and pink flesh was visible deep inside his intestinal wall. Although heterosexual, he routinely masturbated anally, so much so that his asshole opens its mouth so open that there is no need to untie it with a finger, and it is crunching and clucking for food.

“Oh, your asshole is so erotic! I can't stand it any longer! Oh, oh, ohhhh♥♥♥”

　Hideto thrust his hips forward at once. His huge cock, which was already in a state of readiness to fight, was swallowed into the meat hole without any resistance. As it pushed through his bumpy intestines, Hideto shuddered and let out a gasp. The body of a flaccid, disheveled middle-aged man. He gripped his dirty ass, which jutted out with a brim, and began to move his hips wildly.

　The fat of the drunkard middle-aged man shaked with each slap of his crotch, like a pig.

　But that body is his originally body just a few moments before. The blackened window in front of him reflects the muscular figure of him now, and that arouses his excitement even more. He had just gotten on a train by chance, and had the ideal body. It was awesome!!

　He covers his former body, rubbing the old guy's sagging breasts and repeating the piston movements with a hard, pounding sound. The more he fuck that ugly body, the more he realize that he has been born anew, and he can feel the pleasure chemicals flooding out of his brain.

“Wow♥ So nice♥ This big belly and flabby chest are not mine anymore♥ Thanks, old guy, for giving me such a best body.”

　Hideto hugged the flabby body that used to be his and ran his tongue along the old guy's neck and back, smearing saliva all over her. It was as if he was regretting parting with his former self.

“What are you saying…… I gave you a best body? Ugh! I'm……, I'm……”

　While being inserted in the asshole Hideto's cock, the drunkard middle-aged man was slowly regaining his memory. He had been forced to suck the cock by 【drunkard middle-aged man】. And now, it was former his body who was fucking himself from behind.

“Ahhhh, I'm starting to remember…… Give it back, give that body back, my body!!”

“Oh, hehe it looks like you've remembered. But anyway, let's feel good now together, shall we? Come on, let's French kiss with me, old guy?”

“Mmmm……, nmmm……, puhhhh……, nmm……♥♥♥”

　A forceful kiss from behind. His body was so hungry for pleasure that he accepted it. Even though the partner was a man, it was his first time having sex. He had never felt such intense stimulation before, and it ran through his entire body, making it impossible for him to resist. He found himself offering his tongue and entwining it with Hideto's.

“Hehe, you're looking good, old guy♥ If you have such a sexy face, I'll cum soon. When you cum, we'll cum together, okay?”

“Oh, uh…… I don't wanna cum…… If I cum, I won't be me anymore…… Please don't do it…… ahhhhh♥♥♥”

　Before the drunkard middle-aged man could finish, Hideto again quickened the movement of his hips. As if enjoying old guy's face contorted in pain, he continues to violate the thick body with a fearless smile on his face. He brought his body even closer to the old guy than before, forcing him to twist his hardened manhood deeper and deeper into the old guy's asshole. The sound of skin on skin, echoing in the unpopular train car, grew louder and louder.

“Ooooh! Oh, I'm…… I’m losing my mind♥♥♥”

“Hmph, hmph!! Haha, that's good. You should be more crazy. Because we're going to switch our bodies as is!”

　Saying that, Hideto put his own lips to the drunkard middle-aged man's ear. His rough breath stimulated the old guy's eardrums. Hideto licked the old guy's neck, squeezed his fat, sagging breasts, and pinched his nipples, causing his body to jerk and twitch. The drunkard middle-aged man can't think anymore.

　Every time 【Hideto】's hardened cock is slid in and out of the old guy's asshole, over and over again, there is a spark of light in his head. The cock that was not his own a few minutes ago is continuing to stain the seat with pre-cum that spurts out as it is pushed out.

　His body is now irresistibly craving for a strong male cock.

“Oh, no! I can't take it anymore! I'm……, I'm going to become other 【Me】! I'm cumming! I'm cumming♥♥♥”

　The drunkhard middle-aged man's body jumped as Hideto slammed his lower body into the man's asshole with all his might. The tip of Hideto's glans rubbed against the prostate gland, and the shock completely blew away the man's rationality.

“Oh, oh♥ Ah, Ahee……♥♥♥”

　The man ejaculated into the seat and fell to the floor. Hideto, who had rolled over with him in the overlap, let out a contented sigh as he slowly pulled his cock out of the drunkard middle-aged man's asshole as if to soak in the afterglow of his climax.

　Looking back, he saw that Fuga had also just finished ejaculating into his former body, and was dripping cum from the tip of his glans, leaving jelly-like white sperm in the punk's asshole.

＊＊＊

“Thank you for using the train today too. This train will soon arrive at the last stop.”

　As soon as the announcement was made, the train began to slow down. The drunkard middle-aged man and the punk, who had been twitching and twitching on the floor while having orgasms, were made to sit on their seats and forced their clothes put on by a supernatural force. To a casual observer, they would no longer appear to be anything more than passengers dozing off in the train car.

　With them by their side, Hideto and Fuga also put on their own clothes, which had been dropped the floor.

　When the train eventually came to a complete stop, they stood up silently and headed for the doors of the car. When the doors opened, they found themselves on a familiar platform. It was a familiar platform, but for them it was their first step into a new world. The drunkard middle-aged man became a university student judo player, 【Hideto Kiryu】, and the punk was reborn as a high school baseball player, 【Fuga Soejima】.

“Since we met in a place like this, let's exchange contacts, Fuga. I'd like to taste your asshole one more time.”

“Oh, yeah! I want to taste your cock again too! And if we get tired of our body, let's take the members of each other's clubs on this “Body-swapping train car"! I'm sure they'd love it!”

“Yeah, that's a great idea! I'm looking forward to it. Just thinking about it makes my cock erected♥”

　The two men, now in possession of their ideal bodies, embraced each other in a passionate embrace, their cock erected as they imagined what the future holds for them.

（End）

Difference pictures are under.