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In which, Genya is Oblivious

Summary:

“Mui…" Genya squirmed in his seat, trying his best to politely shrug off the chin that was digging in his shoulder. "You're sitting really close."

Muichirou didn't really seem to care, though. Making it his personal mission to invade all of Genya's personal space, lap it up like it's the finest gourmet delicacy there is in Japan — on planet earth.

Teal eyes glared daggers into the assortment of people sitting in front of them. Zenitsu, who looked somewhere between disgusted and annoyed, Kanao. With her trained polite smile, betraying none of her inside thoughts. And Senjurou, who looked a bit nervous. Unused to having Muichirou's distaste pinned on him.

He didn't even do anything.

Notes:

Hello my precious kny readers!!! I haven’t abandoned you XD

It has been a little while but I return to KnY with a muigen fic for my friend Lara!!! Because it’s her birthday !!!!! Everyone say happy birthday Lara!!!!

I really hope you like the fic! It’s straight up crack treated seriously and I know you like jealous mui hehe so this is what came out of that 💚 it was really fun to write!

(See the end of the work for more notes.)

Work Text:

"Mui…" Genya squirmed in his seat, trying his best to politely shrug off the chin that was digging in his shoulder. "You're sitting really close."

Muichirou didn't really seem to care, though. Making it his personal mission to invade all of Genya's personal space, lap it up like it's the finest gourmet delicacy there is in Japan — on planet earth.

Teal eyes glared daggers into the assortment of people sitting in front of them. Zenitsu, who looked somewhere between disgusted and annoyed, Kanao. With her trained polite smile, betraying none of her inside thoughts. And Senjurou, who looked a bit nervous. Unused to having Muichirou's distaste pinned on him.

He didn't even do anything.

 


 

"Genya-chan." Shabana Ume seemed to glide with each step, the most beautiful girl in school approaching Shinazugawa Genya had thrown him off, momentarily stunned — admittedly lost in the beauty of her pale, supple skin. Large sapphire eyes that fluttered with white eyelashes, only made longer by the brush of mascara. Her lips glossy and pink, the kind your attention couldn't help but be drawn to.

"Uh, hello?" He'd answered a bit awkwardly, because for all his height and muscle. About 80% of it was made up by his teenage awkwardness, a boy who didn't really know how to fit into his skin yet.

"I just wanted to say thanks again for helping me with the project!" She chirps, bright and lovely. Rivaling that of a songbird with her voice. "You were a great partner, and I know you carried so much of the weight."

Ume admittedly was carried through life by her looks, not her smarts.

"Oh." Genya had scratched his chin, a warm blush creeping up his neck and ears at the blatant praise and beautiful smiles. "You're welcome, it was really no big deal."

Ume seems to beam, rocking on the heels of her school flats. "I wanted to thank you, again."

"Oh well, you don't really have to-"

She continues, as if not hearing him properly or at all. "And I was wondering if I could do that by taking you—"

"Genya." A new voice cuts in, monotone and soft. Yet, a voice Genya has been trained to hear, that echoed in his mind even in sleep. He'd recognize it anywhere.

Both heads snap, noticing Tokitou Muichirou standing there. Like he manifested out of thin air.

Ume's features drop into a scowl that Genya misses, because he's too busy looking at Muichirou who easily slides in front of the girl. Lips stretching into that fond smile only reserved for him, when he did well on tests. Or picked up on the subtle differences that separated him from Yuichirou.

"Oh, Muichirou-kun. What's up?" Genya asks, undivided attention completely on his friend. His friend that made his chest feel warm and fuzzy, tight and coiled like it could snap with… something.

Ume harrumps behind the boys.

"I just wanted to congratulate you on your results — I heard you scored most of your answers right on Shinazugawa-sensei's pop quiz."

"Oh… yes! Nemi had been so, so happy!" Happy enough to take Genya shopping for half of a new wardrobe, he thinks Sanemi would have bought him anything on the damn planet if Genya requested it and happily blew out the flames of his scorching wallet, too.

Genya's blush spreads fully, a happy smile too. "Really, I couldn't have done it without your help."

Muichirou hums, peering over his shoulder with sharp eyes at Ume. The girl was glaring daggers at him, and looked five seconds away from blowing a gasket. "I know."

That seems to does the trick, she throws her arms up in the air, exasperated. And storms off.

"Yeah… but, I was in the middle of something with Shabana-chan… oh, she's gone."

Violet eyes blink cluelessly over Muichirou's head, wondering where she had went and wondering what she had wanted to say. He didn't mean to ignore her, but it was just… easy to get swept up and away by Muichirou.

His friend shrugs, "I guess she just had better things to do."

 


 

Genya is confronted by the other Shabana in the same day, when he's wondering down a corridor to his next class. It's filled with students he both does and doesn't know, but Shabana Gyutarou sticks out like a sore thumb among them all.

"Shinazugawa," his croaky voice drawls out his name. Genya is tall, but Gyutarou is taller by quite a few inches even with his rather painful looking posture. His hair is stylishly messy, and his breath tastes like cigarettes blowing across his face. The splotches on his features are kinda neat, and Gyutarou always carried that rebellious and punk-like air to him that sort of made Genya feel jealous.

He's crowded Genya against the wall, and there are wide eyes watching. Whispering, Genya probably could take him in a fight. You don't spend years fist fighting your dad and not learn how to take a punch, yet. Genya doesn't think that is what this about.

Gyutarou's presence hangs heavy, as his hand hits the wall by Genya's head. He smiles, grotesque and devilish. And the slightly less taller boy wonders why his stomach does an odd flip at it.

"Yeah? What's up man?" He answers and asks as casually as he can, flicking hair from his eyes and trying to act natural as possible. Like his upperclassman's eyes sweeping over him didn't make him feel… you know, funny.

"I just wanted to say thanks for helpin' my sister out." He says, then lower, like it's a secret for just the two of them to hear. "If… there's anything I can do to you know," his tongue wets his teeth. "Repay the favor. I'd be happy to oblige."

"I-" the innuendo lost over his head, Genya's eyes skitter. Trying to figure out if Gyutarou is offering to beat someone up for him or like, drugs. "I don't—"

"Shabana." A familiar voice snaps, silencing the hushed whispers of the corridor. It makes Gyutarou tense, nails digging into the wall. And Genya perk.

"Nemi…" Genya whispers the fond nickname he was only supposed to use at home, Sanemi is taking quick and precise strides. Like he's hunting, stalking. His usual scowl deepened into a terrifying look that would make anybody piss their pants in fear.

Followed quickly by cyan tips, rippling with each footstep.

"Off of him, now." Sanemi snaps, hand flying to Gyutarou's collar to rip him backwards. The upperclassman stumbles, knocked off balance as he snarls at Sanemi, then snarls deeper at Muichirou. Eyes narrowed in something Genya doesn't quite know how to put his finger on.

"Nemi… I mean, Shinazugawa-sensei. It's okay, he wasn't—"

"I don't care." Sanemi snaps, glaring at his brother in the way that always made Genya feel small.

"You." He points a finger at Gyutarou, "get to class, now. You're already on the verge of having a disciplinary hearing, don't make today that day."

Blue eyes roll, "fine, I'll go." Then he stops, smiles something sultry. "I'll see you around, Genya."

Then he's off, pointedly bumping shoulders with Muichirou. The latter who dusts his collar off without care.

"And you." Sanemi's accusing finger spins to Genya who stiffens, his brother's ire softens on his baby brother, "did he hurt you?"

"N…no! He was just, talking to me."

"What did he say?" Muichirou interjects, voice clipped. "I saw him, you know. Went to your brother to save you, looked like you needed the help."

"Well I didn't." Genya scowls, "and no. He didn't hurt me, he was just saying thanks for helping Shabana-chan out on our project. You know? Said If I needed anything he'd- he'd be happy to oblige."

Sanemi's face goes eerily blank, until it morphs into something that could only be adequately defined as dangerous. Red in the face and all as he gnashed his teeth. "I am, going to have a talk with Shabana. Now go to your next class."

"Uh. Okay?"

Then Sanemi is whirling, hot on his heels as fellow students duck for cover. Not wanting to be the one thrown out the window this month and lose the betting pool. (There was a lot of money that it was going to be Inosuke and Muichirou, Inosuke, Genya understood, but not Muichirou).

Speaking of which, his friend stands there. Reeking pride that can't help but grate on Genya's.

"I didn't need to be 'saved' ya know, I can handle myself just fine."

"I know," Muichirou said softly, shuffling closer until Genya is yet again backed against a wall. Physically and metaphorically this time — Muichirou raises on his tip toes, slender fingers tucking hair behind Genya's curved ear to better look into his eyes. Muichirou's own are gentle, sincere, searching for Genya to understand something. "I know you can, that still doesn't mean I don't want to protect you when I can, you're precious to me. Don't you understand that? Genya?"

"I-" he fumbles, Muichirou's touch as gentle as snow and hot as fire. It lingers, his fingers gently brushing the curve of his jaw before they descend back to his sides.

Muichirou clutched his wrist, steadying his control.

"I do."

Muichirou frowns, "I don't think you do."

 


 

When Kaigaku shows up, Genya can't help but be glad for Muichirou's intervention this time.

Kaigaku is annoying, carries himself with the same air Kyogo once did. Self important and arrogant, it tasted bitter and he hated every single interaction he had with the dude. But today's hangout spot was a unanimous decision on Zenitsu's house because they'd recently harvested the peach trees.

And fuck, those peaches were really good.

Genya had always been a messy eater, a bad habit he couldn't help and had tried to break many times. Alas, some things just tended to stick.

His unnaturally sharp canines dug into the soft flesh of the peach, juices squirting through his teeth and hitting the back of his throat. It ran down from his hand to his elbow in a long streak of pale slick, Genya without thinking, really. Flattened his tongue and ran it down his arm then back up again, letting out a shameless groan at the taste.

"Fuck, so good." He mumbles, and then realizes it's gone deathly silent.

When he looks up, An assortment of colored eyes are pinned on him, wide. Tanjirou, Kanao, Nezuko, Zenitsu. Paired with fierce blushes tainting their skin.

Muichirou's peach is squished in his fist, and his face is the reddest of all.

At least Inosuke didn't seem to care, stealing the last peach and eating it with great haste.

"Uh… sorry?" Genya mumbles, embarrassment striking him like a slap. He lowers the peach and discards it next to all the other eaten ones, wishing absently he snatched it before Inosuke did.

"Damn." Kaigaku whistled low, because he was here. His presence a taint on their hangout, he'd claimed the nicest spot by the window and fan. Legs spread, posture languid. Zenitsu's golden eyes snap to him in a hot glare. "Aniki, shut up."

Kaigaku doesn't heed this advice. "What that mouth do?" Followed by a nasty chuckle.

Everyone glares. Nezuko looks ready to scratch his eyes out, Tanjirou is scowling angrily too, the kind he wore when he was about to headbutt someone. Even Inosuke and Kanao have perked up, ready to tear the grinning Kaigaku a new one.

"This," Muichirou snaps, first. Throwing his half eaten peach at Kaigaku's face and watching with satisfaction as globes of the soft insides splattered all over his features and doubtlessly stained his new and crisp blue shirt. Kaigaku squawks, insults already rapid shooting from his mouth as he wiped his face clean.

"Uhm." Is all Genya says, watching as Muichirou lifts from his seat, face set in determination.

He descends on Genya, straddling his face with two hands as he levels a silent, intense look into his eyes. Now Genya is the one blushing furiously, helpless to look away as Muichirou closes the gap between them.

"I'm going to show you," he whispers, stroking Genya's scar. "How precious you are to me, so you'll get it through your thick skull."

Genya doesn't really know what to say to that, and then all his thoughts go empty as Muichirou presses their lips together and claims his mouth.

He tastes like peaches, they both do. As Muichirou shoved his tongue inside Genya's mouth, ran it across his teeth and gums. It's Genya's first kiss, and it's in front of his friends. And it's right after Kaigaku made an innuendo about what his mouth can do and woah Genya kind of wants to die right now but Muichirou swallows that want, tilting his head to the correct angle to kiss him deeper and make Genya blue-screen.

Their lips find a rhythm, kissing with ease as the seconds grow to minutes. Muichirou's hands travel, one snaking down to his face and the other to the nape of his neck. Tugging slightly at his hair and making a shiver bloom in his spine.

Muichirou's tongue curiously prods at his own, running the muscle over his. Licking all that Genya had tasted today, the peach, his breakfast, green tea, and the taste of Muichirou himself.

They part when the burn in their lungs become too much, and a string of spit follows them. Lewd and only snapping when Muichirou wipes his mouth.

Genya is left there, panting. Feeling too dumb to really know how to react other than knowing he wanted Muichirou to kiss him more.

"Oh."

"Yeah, oh."

"FINALLY!" Zenitsu wails, breaking the moment as he tended to do. "I DON'T HAVE TO DEAL WITH PINING."

Kaigaku seem less thrilled though, scowling. Standing to leave and lick his wounds. "Fuck this, and have fun with him. He ain't nothin' but a bitch anyway."

Kaigaku gets headbutted for that.

But Genya doesn't really seem to mind, not when Muichirou's hand curls around his bicep. Openly possessive, with that smug smile.

Genya shrugs and settles in.

 


 

"Mui…" Genya squirmed in his seat, trying his best to politely shrug off the chin that was digging in his shoulder. "You're sitting really close."

Ever since his boyfriend (his boyfriend! The boy who is his friend who is a boy that he had been crushing on is his boyfriend now!) had made his feelings… ahem, abundantly clear. Muichirou had become like glue, always sticking to Genya's skin and hard to remove.

He didn't mind, not really. Genya liked the attention and open affection, it made him feel giddy and sometimes like goo. Especially when they would hole up in his room and kiss for hours, Muichirou's teeth nibbling his skin and leaving love bites for everyone to see.

He'd also stopped his meddling in everyone's crushes they had on him. And that had nearly knocked him off his feet, too. Especially when his closest friends all recounted that at some point, they'd all had feelings for him as well.

Genya just never thought himself so… interesting, to be valued and wanted. But now he was walking on cloud nine, with an air of confidence he never had before. Finding new worth in himself one kiss from his boyfriend at a time.

The only mildly annoying part was that Muichirou openly bit the heads off of anybody that openly pursued Genya; tearing their self esteem to shreds and sometimes even their bodies. He wasn't sure to be giddy or not, especially when it was Sanemi who was often breaking up the fights between Muichirou and his… admirers.

That had been an interesting conversation to have.

And it would be an interesting dinner to have next week when Muichirou was officially reintroduced to his family as his partner.

The feel of hands trailing his torso is enough to snap Genya from his musing, having become trained to be attuned to even the slightest touch from Muichirou. Teal eyes are already looking at him, when he lifts his gaze.

"Mui," Genya clicks his tongue. A slight warning, even though the exasperation from his friends had stopped being embarrassing a moment ago.

Muichirou just smiles, smug, satisfied. And kisses him.

Notes:

My tumblr and bluesky are both morninglyre if you want to yap at me or see me yap! Kudos and comments are always greatly appreciated 💚 and happy birthday again Lara!

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