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Secret Third Route

Summary:

So there’s one of two possible routes, a secret third one could be buried somewhere.

Kenma tells Tetsurou about how he feels, not his crush, just about this... extra person and Tetsurou reassures him that it’s nothing. But it could also spin off into something and Kenma would have to... support Tetsurou like a good friend.

Kenma doesn’t say anything and just plays his game until Tetsurou falls asleep. Thus pushing off this main story quest conversation down the line. Kenma could certainly find side quests to keep him busy... or distract Tetsurou.

Kenma is not going to think about the secret third route.

Kenma is jealous that Kuroo is spending time with a new student. And will not confess.

(That confession tag? Not him. No.)

Notes:

helloooo this is a treat for rea in the krkn christmas exchange!! i saw your third prompt and i couldn't pass that up 😍💕

bsky post / twt post

Work Text:

There was only the glow of the television screen that lit up the darkened room as Kenma’s hands were holding his controller, the sounds of combat and battle music playing through his headphones. An uncommon sight when it came to the gaming night owl, although he wasn’t streaming this time around, he wasn’t in much of a mood to deal with people on the internet.

Or in real life, seeing as his phone has been dead for hours and the only person he spoke to today was his roommate, Rintaro, but he knew when Kenma didn’t want to socialize outside of simple greetings. It’s normal, Kenma getting in his anti-social moods, so no one really questions it, they don’t seek him out when they assume he’s bundled up in bed and killing monsters.

(He is.)

But there’s an actual, tangible reason as to why this time, it’s not just anxiety that spawned out of nowhere like a random mob who won’t leave him alone. He doesn’t have to recharge his social battery when he’s barely been out of his apartment, only forcing himself to leave so he won’t fail his classes. Or when he’s studying with his roommate and Keiji.

It’s in the form of someone , a person who has sprung up in his life and he can’t mod them out of existence or build a wall around them so he never sees them. If Kenma was to be objective, they weren’t even that annoying. Or offensive. Or bothersome, they just... they obviously have their eyes on someone who belongs to him.

Technically , Kenma doesn’t own him, but they’ve been best friends long enough so that has to give him some possessive rights. It just... irritates Kenma when he sees Tetsurou with them, they were just supposed to be another one of Tetsurou’s students that he tutored, but then it turned into more. 

Because Tetsurou is friendly. Too friendly if you ask Kenma, Tetsurou has enough friends, why does he need more? Why does he decide to adopt every lonely soul that he comes in contact with? No, Kenma doesn’t find it quietly endearing.

I mean, he does, sometimes, as long as the person understands their place in Tetsurou’s life. As in, Kenma is first and everyone else is... somewhere on the extensive tier list. It’s not as if Kenma spends his free time categorizing their friend group, it’s just understood , Tetsurou is always thinking of Kenma.

Probably, maybe not lately. All week it’s been about them, how they’re studying together or trying out some new restaurant or going to the movies or- you get it. Tetsurou is being horrifically friendly and Kenma hates every moment of it. His heart only aches as he considers a reason, an awful reason as to why Tetsurou is so... attached to them. 

Kenma will not subject himself to that, he refuses in the fashion of hiding in his room. Or perhaps it’s not hiding, it’s just... tactically avoiding those two so he won’t emotionally spiral into his grave. That sounds much better. And pathetic, Rintaro would absolutely call him pathetic if he were a meaner man. 

Kenma had zoned out so hard that he only noticed that his character was dead just now and let out a small sigh, what was he even doing? In game, not real life, we’re not discussing that any further than we have to. He will not think about Tetsurou with them, will not consider those being affectionate, will not even entertain the thought of them-

Ergh...

No, if Tetsurou liked them, he would’ve told Kenma... you know, if he got a chance between Kenma swiftly evading him like a stealthy rogue. It’s like building your character purely for stealth and invisibility, only to be one shot by the sight of Tetsurou laughing with them . You know what else a rogue can be skilled into? Assassinating.

Kenma’s door was slowly pushed open as Kenma’s golden eyes darted in that direction to see his best friend, messy hair and soft smirk peeking through. He pulled his headphones onto his neck and didn’t bother reloading his save, not as if he’d be getting anywhere else tonight.

“Knew you were awake, too busy dying to answer your texts?”

“My phone is dead too.”

“Do I have to remind you to do everything ?” Tetsurou scoffed, but Kenma just lightly shrugged as his best friend locked the door behind him and crossed his way into Kenma’s bed, “are you alright, feels like I’ve barely seen you all week.”

“I’m alive, isn’t that enough?”

Tetsurou rolled his eyes before crawling onto the bed, taking up the empty spot that he typically did when he slept over, buying a queen size was a grand investment, “talk to me, I miss you, it’s like two weeks until Christmas and you’ve already been snatched up by the grinch!”

“Sounds like a ploy for me to tell you what I got for you,” Kenma unplugs the headphones and grabs the remote to lower the volume a bit, “you know that never works.”

“One year it might,” Kenma catches Tetsurou’s flashy, handsome grin before he returns his attention to his game, a cheap distraction tactic from the conversation dialogue he didn’t want to unlock, “ Kenmaaaa , you’re not allowed to shut me out when I’m here.”

“I can kick you out of my room,” Kenma says as his character respawned not too far from where he died, he doesn’t know when the hell he ran into this area.

“Empty threat,” The weight of the bed shifted as long arms wrapped around his middle and Tetsurou’s chin rested on his shoulder, “try again.”

Kenma could just stay quiet, keep playing his game and Tetsurou would get the hint. Maybe, the man had the patience of a fucking saint when it came to Kenma. And Kenma knew deep down that Tetsurou would always be there to wait for him whenever he needed to talk. That’s just how they worked.

So there’s one of two possible routes, a secret third one could be buried somewhere. 

Kenma tells Tetsurou about how he feels, not his crush, just about this... extra person and Tetsurou reassures him that it’s nothing. But it could also spin off into something and Kenma would have to... support Tetsurou like a good friend. 

Kenma doesn’t say anything and just plays his game until Tetsurou falls asleep. Thus pushing off this main story quest conversation down the line. Kenma could certainly find side quests to keep him busy... or distract Tetsurou. 

Kenma is not going to think about the secret third route. That will brick his console. Corrupt their current save. Crash his hard drive. Nope.

“You’re playing like shit.”

“Be quiet and I won’t.”

“Ah, there you go,” Tetsurou presses himself flat on Kenma’s back, his arms squeezing tight around him, why did he have to be the overly affectionate type, “come on, I’m sure it’s not as bad as it seems in your head.”

It might be, Kenma doesn’t want to find out the answer. 

“What if it is?”

“Won’t know until you ask me, the beholder of all answers for Kozume Kenma.”

Kenma groans as Tetsurou dares to laugh, he missed that. He missed too many things about Tetsurou while absolutely not hiding out in his bedroom. His stream chat, made up of a few hundred people, asked him where the rooster was .

Like, what the fuck, he’s not Tetsurou’s minder... although...

No, let’s not.

He thinks about his options again, he can delay for another time or rip off the hello kitty bandaid and get it over with. He’s farmed more than enough friendship experience points with Tetsurou, it’s just overflowing at this point. A surplus. He could give away those points to Rintaro, Keiji, and Shouyou and still have a fat pile. 

Nothing can ruin them.

“Kitten?”

“You’ve been hanging out with June a lot...” Kenma quietly whispered, he hoped Tetsurou didn’t hear it, but of course the man hummed in acknowledgement, “... and I dunno, they’re always with you. Or you’re with them. And they’re nice, but...”

“But...?” 

Kenma felt so incredibly aware of himself right now, of his room, of Tetsurou hugging him, it’s like one of those scenes in an otome. Who was the main character, Tetsurou or Kenma? ... It’s probably Tetsurou since everyone wants to have him as a boyfriend. 

He would be the dense harem MC.

“You’re just doing literally everything with them! I don’t like it.” Kenma meant to keep that last part inside. He shouldn’t be jealous of this person, they don't have the friendship like Kenma does with Tetsurou. It’s ridiculous, let’s just auto skip through the rest of this conversation.

Wait, you can’t do that if you haven’t played through it once yet? Fuck.

There are so many ways Tetsurou could respond and Kenma was blasting through all of them in his head, the quickest strategizing he’s done since playing as a setter. Or that one time he got clipped out of context and the internet tried eating him alive. 

“I haven’t done everything with them.”

What, what kind of response was that?

Kenma finally went to turn himself around, expecting a smug smile on Tetsurou’s face, but he looked... sincere, “this is not the time for you to be obtuse.”

“I’m not, honest! It’s serious business Tetsurou.” He held his hands up in mock surrender, “what do you think we’ve been doing?”

Kenma hates the first answer that came to mind. Hates that his stomach roiled in disgust. Hates that the soft glow of the television still makes Tetsurou so attractive and his lips are just. There.

“Whatever it is you do with the people that you like.”

“Such as?” Tetsurou tilted his head, Kenma did not want to buy this innocent act, but Tetsurou’s hands were back on his waist. And just maybe because it was past midnight, Tetsurou wasn’t thinking on all cylinders and he could be... honest right now.

“Are you seriously going to make me say it?”

“Healthy communication is very important, no matter how much we age, Kenma.” There was that sarcastic grin that Kenma wanted to smack. Or kiss. Bite, “June doesn’t have any friends here, so I’ve been treating them like anyone else.”

Kenma furrowed his brows, his pink lips turning into a small pout, “you don’t even hang out with Koutarou that much and I’m sure you two would find some stupid way to live in each other’s skin.”

“The science isn’t there yet, but someday-”

“I hate everything about this conversation,” Kenma stared up at the ceiling, hoping some random event would occur where it would fall on him. The apartment could catch on fire too. Rintaro, please run in here and say Osamu broke his leg.

But he felt warm hands on his cheeks as Tetsurou directed his gaze back down to his unfairly handsome face, “what do you think June and I are up to? You don’t have to say it, but you can show me.”

The quick flicker of Tetsurou’s eyes to his lips.

Did Kenma hallucinate that one? Was he...

You know, if this was an otome or a BL and Kenma had gone through the grueling twenty hour common route just to reach his favorite boy, he’d immediately hit the kiss option. And once he accidentally tapped too fast and insulted their dead sister. 

Thankfully Tetsurou’s sister was well and alive. And he was not using Kenma as some strange replacement.

“Or you don’t have to.”

It was so quiet, the music of the game almost drowned it out.

Kenma went with his lovesick instincts as if this was the most generous quick time event he’s ever been given. He launched forward, pressing his soft lips on Tetsurou and apparently the man wasn’t too prepared for Kenma’s hidden strength as he fell backwards.

The bedding caught him though, just as Kenma moved his lips and Tetsurou was fast to catch on. Would Kenma call himself an expert in this area? He’s gotten a few lessons from Rintaro and he’s not going to go into detail, but Tetsurou is a smooth kisser like him. 

His own experience shows as Kenma follows his lead and it makes the jealousy flare up in his chest, he should be the only person who got Tetsurou like this. There were fingers in his silky hair and Tetsurou nudging a thigh between Kenma’s legs, encouraging him to grind down on it. And well, who was Kenma to object to a sex scene?

... Oh god, he needs to stop playing so many fucking games.

Fucking games... hah.

“Kenma...” Tetsurou was breathy as they broke their kiss, “did you think I was doing all that with them?”

“... Kind of,” Kenma murmured, he still wanted to hide. Tactically escape. ALT F4 out of this scenario. Tetsurou took his hand and placed it right on his crotch, those thin sweats were barely hiding a thing .

“This is from you, no one else, this is what you do to me.”

“All we’ve done is kiss.” Kenma blurted out, but he couldn't help squeezed that hard line in Tetsurou’s sweats and perking up from the sweet noise that escaped his lips, “are you this easy?”

“I’m not easy, Kyanma!” Tetsurou pouted, “I haven’t messed with anyone else since you graduated... I can’t, not when you’re here and I’m happy just having you by my side.”

Kenma attempted to hide behind his curtain of hair as his cheeks heated up in record time, that’s a world record right there, “really?”

“Honest, I know... I know I kind of have a reputation that carried over from last year, but it’s not like that anymore.”

“I don’t care about that,” Kenma peered up to look into those pretty hazel eyes, “I care that you... like me back... and you’re not crushing on June.”

“I’ve only been crushing on you , god knows how long.”

Kenma couldn’t resist meeting Tetsurou for another kiss, all of his doubts evaporating as a rush of happiness poured through him. Tetsurou’s hands touched all over him, his neck, his chest, his ass, like he’s been holding back all these years and now, now he can have Kenma.

“Baby...” Tetsurou groaned as Kenma kissed along his neck and humped his thigh, all of this felt too good to be true, “do you... do you wanna fuck me?”

That had Kenma freezing like his shitty laptop back at home, “like... all the way?”

“Yeah, unless you wanted to wait, but the way you’re all over my thigh is telling,” Tetsurou smirked as his hand grabbed Kenma’s ass, “I can do you too, whatever works.”

“Uh...”

Let’s be real, Kenma has had several hundred dirty filthy fantasies about his childhood best friend in his bed. In the kitchen. In the laundry room. In the backseat of Keiji’s car. In the fucking lecture hall. In the gym that was in this apartment complex that Kenma visited a total of two times.

Tetsurou is fucking him in most of them, but... but , sometimes he stares at Tetsurou’s lanky body and thinks. I need to rail this man. He has a cute butt too, Kenma would know from extensive observation.

“Yes.”

“Yeah?” Tetsurou cocks his head in that stupidly seductive way, “I might be asking for selfish reasons too, these exams and shit, I just want to get my brains fucked out of me.”

“... by a virgin?” Kenma squeaks out and Tetsurou just pats his backside.

“I don’t care how long you last, it’ll be great,” Tetsurou kisses his cheek, “you want to finger me open or do you wanna watch?”

Kenma will implode, actually.

“I’ll... watch, for now.”

“Fair, I know you’ve got lube in here somewhere...”

While Tetsurou went to snoop through his nightstand, Kenma saved his game and turned off his console, thus cloaking them in darkness for a moment. Tetsurou turned on the lamp by the bed, the dim lighting creating an even more sultry mood.

Kenma certainly watched as Tetsurou undressed himself, bearing his naked body to his best friend -were they boyfriends now?- and summoning him over with a curl of his fingers. Kenma was in a trance, hexed by an incubus named Kuroo Tetsurou and all he could do was follow his orders as Tetsurou spread his legs and got comfortable against the many pillows and plushies on Kenma’s bed.

“Pay attention... and close your mouth before you drool too much, babe.”

Kenma’s face flushed with heat at Tetsurou’s playful teasing, but his eyes trailed down Tetsurou’s gorgeous body towards his hole. He had a single finger pumping into him, pushing down to the knuckle and dragging out, Kenma could do that. Easy.

“Come closer, love, I’m feeling lonely over here.”

Kenma had been too entranced by Tetsurou fingering himself to really notice the gap of space between them. He shuffled over, right between Tetsurou’s extended legs and felt as if his face would erupt in flames. It’s well established that he’s never done anything like this with someone else and well... video games and pornhwa could only prepare him so much for the real deal.

For Tetsurou laying naked directly in front of him. For his best friend of several years confessing to wanting to be fucked by him. For Kenma to be expected to do more than stare like a total clueless virgin. 

“Sorry,” Kenma blurted out, “I just... it’s a lot.”

“It’s okay, it’s only us right here, no one or nothing else matters.”

Kenma bit on his cheek, but he softly nodded as he went to reach out to trace his fingers along Tetsurou’s thigh. There was solid muscle there since he was on the college team and still actively worked out, it was warm... it was grounding. 

This was his best friend, his boyfriend, they were leveling up together. 

“Keep touching me, I like it.”

A simple affirmation, enough to further ease Kenma’s nerves as he squeezed his thigh and trailed upwards towards his waist. Tetsurou was working in a second finger and his cock bobbed against his stomach, that is absolutely one thing Kenma wanted to get his hands on once he learned about sex. 

“You’re big.” Kenma drew his fingers towards his cock, it was longer and their were a few veins running along the shaft. Would it be like touching his own? Just curling his fingers around it and stroking it. 

“Everything about me is big,” Tetsurou tried to smirk, but a quiet moan escaped his lips as Kenma experimentally jerked him off, rolling back his foreskin to reveal his cock head leaking with precome. “baby...”

“Do you even bottom that often with a cock this huge?” That was one of those questions that probably should’ve stayed in his head, but Kenma was transfixed on it. Let’s just say he’s read way too much material where the guy with the bigger dick wins topping rights, “... is that too personal?”

“Nah, it’s alright with you,” Tetsurou snickered, “when I was more sexually active, yeah I topped a majority of the time... but sometimes...”

“Ah...” Kenma nodded, his eyes going to Tetsurou’s hole, his other hand twitched at his side. He prodded with a lone finger, getting a soft gasp from his best friend as he slid it in along with the other two already stretching him open. 

“Is that okay?”

“It’s good, love it, kitten.”

Part of Kenma wanted to know how many fingers he could fit into Tetsurou’s ass, what the biggest toy he could swallow up, how fun would it be to test his limits? There was more pre leaking from Tetsurou’s cock and Kenma pulled his hand back entirely, getting a curse from the man.

“... I was close.”

Noted.

Kenma waited a few more moments before touching his cock again, seeking to tell the signs,  liking that sad pout on Tetsurou’s pretty lips. Another finger was pushed in, making it four that were inside of his tight hole, the sight alone had Kenma straining against his thin shorts.

“So big and you aren’t even using it tonight, seems like a waste,” Kenma remarked, his thumb rubbing around the sensitive, spongy head as Tetsurou arched into his touch, “but I guess there’s lots of people who would be happy to ride it... to be stuffed full.”

Kenma certainly had those thoughts too, but seeing Tetsurou on his back, squirming on his fingers as his useless cock drooled on his abs, Kenma was into it. He withdrew his hand again and Tetsurou whined his name, his orgasm denied once again.

“You could at least put your cock in me instead of bullying me.”

“But I’m having fun, it’s like a game.”

“A sick, sadistic game.”

“Don’t be a baby.”

Tetsurou’s glare back at him only softened as his cock was getting attention, Kenma’s small hand giving him the friction he needed. He pulled out his fingers and leaned forward to give a wet lick to Tetsurou’s tits, his nipples were already hard from arousal. 

There were times when Tetsurou was in a tight tank top... or a low cut top... or just completely shirtless and Kenma wanted to put his mouth on them. Now, he could. His mouth could go anywhere on Tetsurou, but especially his chest and this was like some new sort of discovery.

A brand new map to explore. 

“Cute...” Tetsurou fondly smiled as Kenma traced around a nipple with his tongue, then latched onto it. His other hand went to grope and squeeze his chest like oh my god, he finally had permission. 

Probably wouldn’t be cute when Kenma stopped him from coming again, but Tetsurou was always terribly weak for Kenma. Those big, catlike eyes looking up at him as he sucked and left bite marks on his tits, all while teasing and playing with his poor cock that wouldn’t be feeling the tight warmth of a hole.

“Kiss me.”

Kenma couldn’t deny that request, scooting upwards to meet his boyfriend for a needy kiss. He loved him. He loved Tetsurou so much and now he didn’t have to hold back anymore. All those romance options were unlocked and free for use...

“Ah!”

Kenma whined as a big hand dipped into his shorts and squeezed his cock, “I’m a patient man, but you’re driving me to the fucking brink, kitten.”

“Point taken...” Kenma quietly said as Tetsurou kissed the corner of his mouth.

“I wanna feel all of you, don’t wanna be empty anymore.”

Kenma bucked into the fist circling his cock as Tetsurou’s words went straight to it, he couldn’t simply ignore his own needs and desires. He wasn’t in the first place, but like, it’s Tetsurou , it’s hard not to want to eat him up on the spot.

Kenma undressed, his clothes landing on the floor, he then scooped up the bottle of lube and squeezed it on his cock, hoping that it wouldn’t be too little... or too much. Tetsurou was definitely packing more than him, but he didn’t care too much since Tetsurou asked for him. Just him. He could’ve gone to anyone else, but he had a standing crush on Kenma.

Kenma lined himself up as Tetsurou held onto the backs of his knees and thus gave Kenma even more reason to bust within three thrusts, but he was determined to last. 

“Oooh, you’re so tight ,” Kenma breathed out, pushing his cock all the way to the hilt, “I... you’re hot too, feels fucking amazing...”

“Yeah? Take your time, love.”

He should maybe feel insulted by that, but Kenma did need a moment. Some time to calm his dick down. Just think about anything remotely unsexy... but when he opens his eyes and sees Tetsurou staring up at him with such adoration...

He drags his cock out, only leaving the fat tip, then snaps his hips forward as Tetsurou gasps. He has this, he can make it good for Tetsurou, he deserves it after being stressed with exams and his best friend ghosting him. 

“You’re really pretty when you’re taking my cock, Tetsurou.”

Now that has Tetsurou blushing down to his collarbones and trying to glance away, but Kenma reaches out to take his chin, “you can’t look away, you have to watch me too.”

And Kenma did wonder how he looked, sat between Tetsurou’s legs, his dark hair cascading around his shoulders as his bun fell out during their makeout session, his hands gripping on Tetsurou’s thighs... 

He glanced down for a moment to see where they were connected, where his cock was fucking into Tetsurou’s hole and how Tetsurou took him so well . His head jerked up when Tetsurou let out a high moan and his back arched off the sheets, was that...

“Right there, you had it Kenma!”

It was just like executing a high skill combo attack, but Kenma had to keep his orgasm at bay because what the fuck , who allowed Tetsurou to look so pretty, so damn beautiful when he was being fucked? His legs wrapped around Kenma’s small waist and he grabbed Kenma’s shoulders, keeping him close and the intimacy between them only shot up. 

They shared a messy kiss, Tetsurou couldn’t keep his lips off of Kenma and he was so dizzy with lust, with love, with... everything he’d felt for Tetsurou. His hips acted on their own and Tetsurou’s strong legs were keeping him locked in, clearly wanting Kenma to come inside of him.

“I’m- I’m gonna...”

“Do it, be the first person to come inside me, Kenma,” Tetsurou barely finished his sentence before Kenma’s cock was spurting in him. He hadn’t even considered a condom in the first place, but Tetsurou wasn’t mad about it...

“You’re still hard,” Kenma quietly said, grabbing Tetsurou’s cock to give it a few expert tugs as he felt nails scratching onto his shoulder blades... shit, that would’ve been enough to get him coming again. 

Kenma was soft in Tetsurou, but that didn’t mean they were moving anytime soon... Tetsurou was clinging to him and Kenma was too tired to struggle out of his hold. 

“Mine.”

Tetsurou brought them onto their sides and peppered Kenma’s face with kisses, his affection level had been uncapped and now Kenma would be facing all of it. 

Hopefully forever. 

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