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English
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Published:
2023-02-20
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3,130
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1/1
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Scale

Summary:

Izumi is frustrated at Tsukasa's recent weight gain and decides to teach him a lesson.

Notes:

(See the end of the work for notes.)

Work Text:

“Kasa-kun, hurry up!! Do you even know how long you’ve been in there?!”

“J-Just another minute Sena-senpai!” Tsukasa said as panic began to set in.

This was bad, this was very bad he thought. While Izumi and Leo were overseas, Tsukasa had been taking, well, a few luxuries with diet. While he did make sure to eat healthy, it wasn’t paying attention to the occasional cupcake or parfait and that was beginning to show. Tsukasa stood there half undressed, focusing his eyes on the bit of pudge that was on his stomach. He inspected it, poking at it a few times, and then closing eyes wishing and sucked his belly in. By some miracle, he hoped that he would go back to have his nicely toned abs when he opened them back up. But that was only wishful thinking. Shit. Now he knew he was gonna be in big trouble. Maybe could wrap his body with cellophane and sweat out the weight, or what if he emptied his stomach onto the carpet right now. Surely that would make losing the pounds right, and on top of that Izumi might even leave him alone. Despite how much he wished it were that easy, he knew that looks could only do so much. All because Izumi made him step on that damn scale every week.

Maybe he could try crawling under the fitting rooms and escape this place, he thought.

 

When Tsukasa joined the Knights, he wasn’t the slimest of all idols. Not fat in particular, but he did have some extra thickness to his thighs. Some called it a charm point and he knew how to take advantage of it. But for Izumi, as a model and ballerina, who swore by a strict diet and workout routine, immediately put Tsukasa to work. He remembers the countless times he fought over Izumi sneaking through his room and tossing out his snacks, having Izumi plan out all his melas, and weighing him daily. Well now it’s only a weekly thing, so Tsukasa thinks he’s made some good progress. Up until now that is. It also happens that today is a weigh in, he slightly cursed himself, unaware that Izumi was standing in front of him.

“... And what is this?” Izumi walked up closer to Tsukasa and jabbed a finger to his belly? Tsukasa gulped, hearing frustration in Izumi’s voice.

“Explain this kasa-kun, have you seriously been eating like a pig while I was gone?!?”

“...and no excuses” Izumi warned

“It’s uh, y-you see I had so-”

“-yeah yeah whatever, you are in SO much trouble right now. I hope you know that” Izumi then grabbed Tsukasa by his red locks and dragged him out.

“Wait-wait! Sena-senpai! Where are you taking me!? I haven’t put my shirt back on!”

Tsukasa knew it wouldn’t matter. But he hoped that Izumi would at least grant him dignity so as not to be dragged across the school hallways half-naked. It was a good thing that the sun had already set, so most of the students have left by now.

“Shut it! You already know where we’re going”

They went inside the nurse’s office. Tsukasa shuddered from the sudden hit of cold air in the room. There was no one inside and the lights flickered off, with the only source being from the windows.

“You know what to do,” Izumi said, standing by the scale.

Tsukasa swallowed hard, and took his shoes off before stepping on the scale. That should save him some weight, he thought, maybe enough that Izumi will forgive him. If only he could take off his pants it might’ve saved at least half a pound he thought. But he didn’t feel like testing his luck with Izumi’s patience today.

 

“58kg” Izumi said in a monotone voice

He was screwed.

That’s 4 whole kilograms more than last month's Tsukasa, you think this is some kind of joke?!”

“No it’s just that I wanted a break-from”

“A break?!?You wanted a break from what? Do you even know how serious this is Tsukasa?!? That’s not half a kilogram or even one kilogram. That’s four freaking kilograms?! Do you think I get a break from this or even the luxury to gain an ounce?” Izumi said, clearly hurt and angry at Tsukasa’s recent weight gain.

“I-I uh, I really tried Sena-senpai. It’s just that sometimes I get stressed and I-”

“Shush! I don’t wanna hear it today, but I’m not letting you get off the hook easily today okay!?” Izumi said as he went over to lock the office door.

“What are you planning to do?!” Tsukasa asked with rising concern for himself.

“Get on the bed.”

“What?!?”

“You heard me. Get on the bed” Izumi commanded

Not wanting to make Izumi more angry than he already is, Tsukasa reluctantly got onto one of the hospital beds and sat.

Izumi inspected Tsukasa’s body, focusing his ice sharp blue eyes on his midriff. He slowly moved his gaze lower and then looked up to see Tsukasa who was a mix of embarrassed, ashamed and frightened all at the same time. Seeing him like this was quite enduring in its own way, Izumi thought. To have this much influence over Tsukasa, how vulnerable and cute he thought. It was at this moment that Izumi’s mind began to let down its guard as he placed his hands on Tsukasa’s waist.

Izumi tugged on the love handles on both sides and pinched it a few times. Taking some time to admire how white and soft his skin was, and how the fat made it squishy and pudgy. It was a sensation Izumi strangely liked, despite how much he fought against this.

And that’s when it hit him.

Izumi looked up at Tsukasa, who’s eyes began to prickle with tears. He took some pity on him (which wasn’t all of a rare occurrence) and made a slight change of plans.

“Alright, Kasa-kun. Since you feel so guilty about it, I won’t be as hard on you this time” he said, wiping away one of Tsukasa’s stray tears.

“But only this time okay!? and you’re still gonna get punished for this.”

Tsukasa nodded his head, a bit curious and afraid about what Izumi meant by “punishment”.

“Now turn around”

Tsukasa did, and Izumi took out a roll of gauze from one of the drawers below. He brought Tsukasa’s wrist together and started wrapping them together, tying it with a large knot in the middle.

“Sena-senpai what are you doing? Tsukasa asked, becoming increasingly concerned with the direction this was going in.

“You’ll see,” Izumi said, as he flipped Tsukasa over and laid him across on the bed. He could pick up on the slightly pitched voice of Izumi, it almost had the same pitch when he talks about Makoto.

“O-Okay, but I really think we shouldn’t be doing this and messing with the stuff in the nurse’s office” Tsukasa tried his best to reason with Izumi, but the only response he got was Izumi shushing him with his finger.

“If you don’t be quiet, I’ll change my mind and make you run twenty laps in the morning tomorrow” Izumi threatened.

Tsukasa kept his mouth shut.

He then took his manicured fingers and slowly dragged it across Tsukasa’s torso causing him to shiver from the sensation. Izumi then splayed out his hands and began rubbing circles across Tsukasa’s body. Well this was quite nice, Tsukasa thought. Was Izumi really giving him a massage as punishment? Had he finally gone insane Tsukasa thought.

And then he felt a sharp pinch on his nipples.

?!!! “Sena-senpai!” Tsukasa was surprised by the suddenness of his actions

“Didn’t I tell you to be quiet?”

“Yes but-”

And without warning he sharply twisted one of Tsukasa’s nipples causing Tsukasa to jerk.

Tsukasa shut his mouth a second time, as he pulled and rubbed his fingertips on the small rose colored buds, circling them a few times before pulling back. Izumi made a slight grin at how Tsukasa perked up from the sensation and the occasional pants he made.

He then went back down, and this time Tsukasa felt a warm wet heat surrounding his chest. He opened his eyes to see that Izumi had latched himself onto his breast, while his other hand continued to toy with the other side. Tsukasa couldn’t believe what was happening. He thought it must’ve been a bad dream, but the sudden wave of pleasure and pain snapped him out of it. Did Izumi really just bite him? But Tsukasa couldn’t focus on that as his own feelings and desires were slowly taking over all of his thoughts.

Izumi pulled back with a long string of salvia connecting between them. Izumi looked a lot different from how he was a couple minutes ago. His face had reddened, he appeared bigger and gazed at Tsukasa to that of a predator. And Tsukasa was the prey, helpless and unable to do anything, but for some reason he liked it that way.

Izumi stood up, wiped his mouth with his sleeve and started unbuttoning his shirt. As expected Izumi had maintained his physique, having a perfectly toned and slimed body that made Tsukasa both envious and awestruck. It made Tsukasa blush. Izumi then began to undo his belt buckle, the sound of metal clashing together, before he carelessly tossed it away. There was an obvious strain against his boxers and a dampened spot in the middle. Izumi rubbed the spot causing it to darkened and smiled slightly at Tsukasa. Almost as if to ask if he was ready. After that he tugged his boxers off to reveal a fully erect dick and pulled Tsukasa to the edge of the bed.
Tsukasa gulped. So it was going to be like this huh?

He undid the rest of Tsukasa’s clothes in a hurried manner as if they were some kind of annoying barrier. Stopping briefly at his boxers.

“Ah Kasa-kun, if you’ve gained weight, then let's hope this is bigger. Right?”

Izumi teased, placing his index finger on Tsukasa’s half hard dick. Then he grabbed onto the waistband and pulled it right off, revealing a light pink and slightly wet length. Tsukasa was slightly above average, while not impressive he did have a good deal of girth with a large and rounded tip. Tsukasa tried to move his hands in an attempt to cover himself, but the gauze was too tightly bound behind his back. He could direct his gaze to the ceiling as his face reddened.

“Hmm what a shame, it’s still the same size. So much for four kilograms huh Kasa-kun” Izumi lightly heartily mocked trying to sound hurt. He flicked Tsukasa’s dick causing it to stand up a bit more. He then grabbed one of the metal rolling chairs from a nearby desk and sat down.

He lifted Tsukasa’s legs (which were heavier than they looked) and pushed them apart. By this time both of them were completely naked.

“Kasa-kun~ look at me” Izumi sang. Tsukasa turned his face over to see that Izumi was grinning at him. Oh Jesus where is going with this, Tsukasa thought.

Izumi pulled Tsukasa to the edge of the bed and rolled over until both of their bodies were touching together. He placed finger on the bead of precum that had begun to form and grabbed onto both of their dicks in one hand. He began to pump them, slicking both of them in one go. The coldness and slender shape combined with the heat radiating off both of their lengths was driving Tsukasa closer to insanity. Tsukasa couldn’t help the small moans that escaped him from the sensation, the veins on the side of Izumi’s dick and ridges around his tip only added to the feeling. But this wasn’t good, because Tsukasa knew he was gonna reach his climax faster than Izumi’s. And Izumi wasn’t the one to wait. But it was too late, even if he wanted to slow down he couldn’t control his body’s desire and only continued to rub against him. He clenched his eyes shut as he felt the heat accumulating in his abdomen, preparing himself for inevitable until suddenly but felt nothing?

????

Tsukasa opened his eyes to see that Izumi had completely moved back from his body.

He waited for a second, but the only response he got was a devious stare from Izumi. By now his dick was throbbing waiting for any type of sensation to bring it relief.

“S-Sena-senpai, is there something wrong”

Izumi stared at him and licked off some of the fluids on his finger. An action that grossed out Tsukasa, but somehow made him even more aroused.

“Have you forgotten this is a punishment, Kasa-kun?”

“Um no I haven’t, but why did you stop…?” Tsukasa said nervously, unsure of what Izumi’s next move would be.

“To tell you duh. You’re not allowed to cum until I say so, got it”

Tsukasa nervously sweated. knowing that he was terribly hard and how bad he was at controlling his body. He had no choice but to answer him with a weak “yes”.

“Well then let’s continue” as Izumi propped Tsukasa upright, he stood up from the chair and kicked it away. He stood closer to Tsukasa and then poked a finger to Tsukasa’s belly button.

“Sena-senpai what are you doing?!?” Tsukasa jolted up straighter as Izumi pushed into the small indent in the middle of his belly. He stretched it out with his index and middle finger, admiring how plush the flesh was.

“Oh and no talking, okay?”

Izumi continued to play with his belly button, occasionally grabbing his waist again and kneading it like some dough. The only thing Tsukasa could do was sit there, feeling extra squeamish and uncomfortable at how Izumi was treating his body like a toy. It did very little to ease his throbbing dick.

Izumi stretched his belly button as far as he could with his pointer fingers and then aligned himself up.

“A-AH ah? Izmu w-wh-what are you doing?!?” Tsukasa was holding back his broken laughter as he was starting to feel ticklish. Izumi moved as close as he could and grabbed the back of Tsukasa’s hair and began to thrust into the soft flesh.

Tsukasa could feel Izumi’s dick pushing up and in and outwards against his body. He wasn’t sure if the sensation made him wanna puke or laugh from how much pressure was constantly being reapplied. Meanwhile Izumi was enjoying himself as he took his own hands and wrapped it around his own dick to guide it. It felt good, it was almost comparable to fucking a plush fleshlight, although not nearly as good as Tsukasa’s asshole. But no this sensation was something he couldn’t achieve with that. Tsukasa’s belly shined from some of the light from the windows reflecting his slicked stomach. Seeing the stains of his precum, this only encouraged Izumi to go faster, and Tsukasa was beginning to feel more sick and sick. As if someone was lightly punching him several times in the gut.

Despite this he moved closer to Izumi, adjusting his position so that his poor dick could at least get some type, any type of friction. He was so close, his dick was turning a bit red. It had been that way for a while and he thought he might actually end up crying.

Izumi ignored Tsukasa’s attempts and began sliding his dick up and down his torso. Occasionally probing at his love handles. The smell of sex and soft moans and pants filled the room .

Izumi felt like he was losing control of his body as his pace became more frantic. He knew he didn’t have much time left and thought of a place to cum. His face? No, Tsukasa’s face is too far away, maybe the floor but that wasn’t exciting. He kept moving, even though Tsukasa looked even more uncomfortable from before. And then his eyes landed back on his stomach. He smiled then held his dick between his fingers and thursted several times into Tsukasa’s inner belly button at a brutal pace. Tsukasa felt some vomit accumulate in the back of his throat before he immediately swallowed the bitter acid back down. Izumi’s entire body stuttered and he stilled, all of the sudden warmth spreaded across Tsukasa’s mid section. Izumi stayed there for a few minutes with his dick compressed against Tsukasa’s body. Occasionally moving from side to side. He was breathing heavily before stepping back. Tsukasa looked down and saw the aftermath of a cloudy white fluid that pooled on his stomach and flowed down.

He had just come into Tsukasa’s belly button. Tsukasa wasn’t sure if he was feeling pure disgust, arousal or both at the moment. Izumi brought his hand back to his dick and jerked it off with a few strokes, landing the last few streaks across Tsukasa’s torso. He sat there in silence for a while, trying to recover from the aftershock.

Tsukasa was still trying to process what was happening before his dick twitched against his body.Reminding him of this own needs. He brought his legs together for some, any type of sensation. He tried to rub the gauze together to slide it off his hands but with no luck. Then Izumi got up and started cleaning himself off with the nurse’s supplies and getting dressed.

“Sena-senpai! Are you just gonna leave?!?” Tsukasa panicked about having to stay the night here in this embarrassing state.

“Of course I am, I have already finished my job here. Don’t expect anything else from me, you're the one being punished here” Izumi pointed out, trying his best to keep up the composure and seriousness in his voice from the aftershock.

“But?!.. but?! But what about me!? You can’t just leave me like this?! ” Tsukasa said in a desperate voice.

“-And how is that my problem?!”Izumi batted an eye. Tsukasa tried to use his eyes to plead with Izumi. They ended up locking eyes for a moment before Iuzmi sighed and gave in.

“You really are needy huh little brat” Izumi then went behind Tsukasa and carefully cut the gauze off before mindlessly tossing them into the trash.

“Take care of it yourself and remember we have practice tomorrow at 8” Izumi said nonchalantly before heading out of the nurse’s room, leaving Tsukasa alone in the dark.

Tsukasa nodded and immediately started working on his dick as soon as the door clicked. He frantically pumped into his fist before finally climaxing in just a few moves, adding to the mess left by Izumi. He let out a sigh of relief before collapsed the hospital bed and closed his eyes.

He really needs to lay off the desserts.

Notes:

SPREAD THE CHUBBY KASA AGENDA NOW!!!

Finally clocked in my once a year fan fiction lolol, (Sorry I missed 2022).
But since this early I might even write another one who knows. First time writing something (and reading or that matter) with a belly kink.

I'm also on twitter @/kekibun if you want more of my delusions and terrible kinks (be warned I only think about Tsukasa).