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Best Friend’s Brother. // Komahina

Summary:

"Well. I don't know how to say this." Hinata felt the expectant gaze come upon him. "I really can't sugarcoat this one, I'll say it as bluntly as I can... I slept with your brother last night."

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In which Hajime accidentally hooks up with the person who hates him the most, his best friend’s brother.

Notes:

first chaptered fic, sorry if this is messy im trying new things out

Chapter Text

Hajime's eyes slowly opened, the air was strong with a familiar cologne he couldn't exactly pin to someone. He felt surrounded by something soft and smooth, it only took a few minutes to realize he was in a bed he didn't recognize.

Hinata took a loud breath, inhaling and exhaling in worry. He shuffled around, the duvet making a loud rustling sound as it was maneuvered. His eyes trailed alongside his covered figure, only to spot another lump next to him. He felt high, but somebody was most definitely cuddling him.

Hajime's head hurt like hell, he was so hungover it was unbelievable. His lower back hurt like a brick had been dropped onto it, it almost burned in a way, his lips let sounds of pain slip as he tried his best to sit up.

It wasn't until an arm brushed by his side that he froze up, he had forgotten that someone was there, it explained why he was so cozy. Hajime hesitantly whipped his head around, just to regret everything within a second.

His breath painfully hitched as he scanned the individual up and down, taking in their familiar mop of white hair, fragile figure, calm expression... Why was he in Nagito Komaeda's bed?

Hinata wouldn't be so panicked if Komaeda wasn't Nanami's brother. He really just hooked up with his best friend's sibling. Hinata's fingers moved to pinch his forearm, making sure this wasn't a dream.

Under the confirmation that this was completely real, he noticed how quiet Nagito was whilst he slept. The calm demeanor would quickly be swapped out for disgust if he was to wake up and spot Hajime. They had hated each other since day one, Nagito always under the impression that Hajime had other intentions with his sister.

Hinata knew he shouldn't have accepted that drink. Where even was Nanami? He slipped out of the gentle grasp, trying his best not to awake Komaeda. The suddenly cold air hit his frame like an avalanche, he shivered and flailed to find some clothing.

His legs were quivering when he located his jeans, the pain was intense. Hinata desperately yanked up the clothing, grabbing the closest shirt that somewhat looked like the one he was wearing last night. He messily buttoned it up, not bothering with his tie or fixing his hair.

He labeled himself as presentable, the regret along with hunger brewing in his stomach as he glanced over to Komaeda. He still had his arms hugging the air, to think that Hinata was in that position not even five minutes ago... Wow.

He left the room, carefully closing the door. He could only remember things vividly, although the image of Nagito on top of him was clearer than daylight. Hajime remembered the feeling of being stripped, and much, MUCH more.

He blinked with some strength to try and clear the thoughts, just to realize that didn't work. Hajime trembled down the stairs to sit in the living room, he crumbled on the sofa with his chin rested on his intertwined hands.

His expression screamed 'done for', he glared at the navy carpet in regret coated with defeat. First off, sleeping with someone you're close to's brother is weird enough, but also breaking the wall of sexuality was just confusing.

Hinata had always sworn to the gods that he was straight, having been blessed at a very young age and raised in a very religious household. He wasn't at all obsessed with religion, it played a small factor in his life although usually prevented him from doing things he thought about often.

The previous lust Hinata was overwhelmed with last night was replaced with frustration as the memories became more and more rememberable. From what he could solidly gather, he, Chiaki and Nagito had all had a little too much to drink. In an intermission that he couldn't recollect for the life of him, it went from laughing in the living room to Nagito, the person that hated Hajime the most, on top of him - kissing him roughly yet drunkenly. What happened to Chiaki?

Hinata tried to convince himself it was all false, just a weird dream he had and all they did was snuggle... Although the pain through his shaking thighs and the bruises on his neck really said otherwise. Especially the fact that he had woken up naked this morning.

A few steps could be heard from the spiral stairs, Hajime hesitated slightly before taking a peek. His previous questions had been answered, Nanami was right there. She looked like an absolute mess, her mascara prominently smudged with her hair all ruffled.

"Hey, Hajime." She greeted, did she not remember nor know?

"Hi."

"What happened last night?" Chiaki yawned, approaching the sofa groggily. "I just remember us drinking and then I passed out..."

"Yeah, we drank a little too much." Hajime nervously chuckled, thinking if he should stay quiet about it or not. Chiaki ended up taking a seat opposite him, copying his pose to let her eyes slide shut.

"What did you do after I blacked out?"

Shit.

"..." One of Nanami's eyes opened at the silence, wondering if Hinata had heard what she asked or was purposely not answering. "What did you-"

"You're going to be mad at me." He cut her off.

"...Why?"

Hajime frowned, "It's not pretty, at all." 

He was correct, this was possibly the worst thing he had ever done. Chiaki trusted him and had done so much for him, the best thing Hajime could do as of that moment is come clean and not block it out.

"I'll try not to be, it depends though." Hinata stayed quiet. "It can't be that bad?"

"No, it is THAT bad."

Nanami yawned again, dramatically. "Just tell me."

"Are you sure? You're going to be furious."

"I want to know, you're already making me think of the worst."

"What would the worst be?" Hajime had to know that he hadn't done the worst thing ever, he needed that ounce of reassurance before he went forward with the truth. He regretted it deeply, Hajime wished he had been sober to reject the offer.

"If you killed someone, don't think you'd pull a stunt like that so go ahead if it's not that."

"Well. I don't know how to say this." Hinata felt the expectant gaze come upon him. "I really can't sugarcoat this one, I'll say it as bluntly as I can... I slept with your brother last night."

"What?" Nanami's jaw slacked, her mouth now hanging agape. "What?!" She repeated, louder than before - It was as if her hangover had completely dissolved, she was in pure disbelief. 

"I knew you'd be angry! I'm so, SO sorry." 

"I can't believe you. If you liked him you could've just told me instead of hooking up with him after I blacked out." Chiaki stood up, Hajime joining her within a few seconds.

"I don't like him! I was absolutely out of it, I would've never done something like that sober." 

"Are you sure?"

Hinata frowned, he was so sure. "Absolutely. It wasn't my intention at all, I don't know who initiated it... You know I'm straight, I'd never willingly do that."

"I believe you, it's just... I'll need some time to think about this." Nanami gulped, "It's not something I can get over easily." She took a step forward to place a comforting hand on Hinata's shoulder, "If you ever end up liking him, please let me know. I'm only a bit iffy because it feels like it was planned, especially that it happened AFTER I fainted."

"I get that."

"I'm glad, I think Nagito is awake now. I'll leave you two alone."

Well, Hajime felt his stomach drop. Confrontation, he was fine with it, but he wasn't fine with THIS confrontation. It would be so awkward, they hated each other anyways. Chiaki had now left to relax in the kitchen, Hajime felt terrible for her.

He let his legs give out from underneath him, forcing himself to flop onto the sofa. Luckily so, a tie flew over his head. It was clear that it was supposed to hit Hajime purposely. "Why was that in my room?" A voice asked, clearly Nagito's.

"I don't think you want to know."

"No, no. I already know. You think I wasn't awake when you were having your little panic?" Komaeda spat, "Can't believe I actually did something like that with YOU." He moved to stand in front of Hinata.

"What do you mean?!"

"I feel disgusted, I'd rather get with a random homeless guy from the street."

Hajime internally grumbled, if his previous regret wasn't that big it surely was now. He felt like grabbing the nearest cushion and throwing it at Nagito, so that's what he did. The soft material collided with Nagito's face in seconds, just for it to be thrown back at Hajime ten times harder.

"Fucking hell." He hissed at the subtle pain.

"Don't even start, just because I fucked you doesn't mean you can get all aggressive."

"Excuse me?" Hinata sarcastically laughed, "I have every right to be mad, neither of us wanted that to happen. What are you even on? Are you still drunk?"

"Pass me that pillow, will you? So I can beat you to the fucking curb with it."

"Piss off. I just wanted to talk the whole thing out with you, but you can't even do that."

Chiaki listened from the kitchen, not wanting to intervene as she felt as if it would make it worse. They'd get along eventually, with enough random encounters they'd slowly realize that being friends is not that bad of an idea.

Komaeda rolled his eyes, "It's my fault?"

"In a way, yes."

"How? Enlighten me." The sarcasm alongside the passive aggressiveness was slowly growing, this was supposed to be civil.

"You're the one who tried to whack me with my tie in the first place, weren't you the one who was all over me last night?"

"No, you have no evidence of that."

Hajime tugged his shirt collar down, "Look at my neck, idiot." It was splattered with hickeys, trailing from his jaw to his collarbone. How did one piece of clothing cover that so well to the point it was almost unnoticeable?

"And? You went along with it."

"In my drunken state, yes. I wouldn't have done it sober." 

"I think this just about does it for me." Nagito turned around, "I'm leaving for the day. I never want to speak to you again. In fact, don't even come here anymore."

"You can't tell me what to do, Chiaki is fine with my presence. You're the issue."

Without a word, Nagito stormed off. The door was slammed so hard it could've come off of the hinges, although thankfully, it didn't. Hajime groaned in frustration, his hands moving to comb his hair, he felt like ripping it out from his current state.

"...That went terribly." Nanami's voice was coated with an upset tone, she had just entered the living room after she was sure that Komaeda had left. 

"Tell me about it." Hinata locked eyes with her, "Sorry about that. I should probably get going, wouldn't want to cause any more trouble."

Nanami wanted him to stay, although a gut feeling urged her forward to agree. "Mhm, I want you two to perhaps be friends, it would make him alright with you sleeping over more often."

"Impossible, he hates me."

"Okay..." Chiaki frowned, letting Hajime leave as soon as possible.

On the walk home, Hinata felt like crying. He had (possibly) just destroyed his friendship with his best friend, and also made her brother hate him even more. What was wrong with him? Why did he let himself drink THAT much? Was it spiked...? Surely not.

With all the questions bubbling in Hajime's brain, he tried his best to ignore them, even with the anxiety weighing him down like a load of rocks. His throat tightened as his tears were being more and more restrained, he couldn't cry right now.