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Dazai is not the most sociable person ever, but he has his friends. Great friends actually. Atsushi is a great friend, always there to listen to their rambles about stupid stuff. Yosano is basically like a sister or a mom, and that says a lot about their friendship - and Dazai's relationship with their mom, but anyway. Kunikida! - he's great, really loud but it's fun to mess with him. And obviously, there's Chuuya, who's always been there, whether Dazai wanted it or not (they did).
But with Fyodor it's strange, different, in a way that Dazai still doesn't understand. At first they hated each other a lot and not in the same way he hates Chuuya, no, he really wanted to strangle him to death sometimes. For real.
So here's the thing: they both hated each other since Fyodor moved into their school, but they never really talked. They were competitive during classes, but that was it. It's not like they had a real conversation that concerned no school-related things.
That was until Dazai got a bad grade in Math and their teacher happily suggested that Fyodor could help them.
And surprisingly he did and Dazai actually had fun. Fyodor was fun. Kind of. He had a dark sense of humor, was incredibly smart, and had very strong opinions about everything, which made their conversations interesting since Dazai's only strong opinions were about which Brontë sister is the best - it's Charlotte, by the way, Emily is overrated in their opinion.
This weird relationship they shared became a friendship eventually and that's why Chuuya is in his room right now, pissed off and chain-smoking because for some reason Fyodor and Dazai decided to use his house for their fucking date or whatever they're doing. Laughing about some intellectual nerdy shit he doesn't care about. In his room. Completely ignoring him.
He hates gay people so much right now. That's what he tells Tachiara via text.
chuuya: i fucking hate the gays man
tachihara: i cant believe they're ignoring you while they're in YOUR room
chuuya: RIGHT?? and fucking dazai doesn't even notice that I'm pissed off or WORSE he's ignoring it
tachihara: dude just tell them to fuck off
Chuuya smirks. And he does tell them.
"Can you two get a fucking room? A room that isn't mine?"
They both stop talking and look at him a bit confused - they didn't even notice he was right there. Chuuya really hates them right now.
"May I ask you why you're saying that?", says Fyodor while Dazai can't make a single sound.
"Stop talking like you're a professor or some smartass. And fuck off, please", Chuuya says while smiling and throwing the cigarette out of the window.
Fyodor doesn't respond to that, he just gets up from the bed - Chuuya's bed - and leaves the room with a dramatic goodbye. Dazai is still silent and looking at Chuuya.
"Stop looking at me like that and leave."
Chuuya starts searching for his lighter when Dazai finally gets up and tries to explain themselves. "Hey, I'm sorr-"
"Shut up."
They do shut up and Chuuya starts smoking, until Dazai starts smirking.
"You're jealous."
"What?"
"You're jealous that I'm getting to know him better."
"Shut the fuck up and stop looking so content about it."
"You're so jealous, oh my God," and Dazai starts laughing because this is the funniest situation he's ever been in. Chuuya is finally the jealous one, this is like revenge for Dazai who spends precious hours of his life worrying about Chuuya preferring other people over them. "I can't believe it, you're so embarrassed right now so I'm right, right? You're scared I'm not gonna be your best friend anymore? Chuuya, sweet, poor Chuuya, you know my heart belongs to y-"
"I'm not jealous!", Chuuya shouts, "I'm just pissed off because you were in my room and weren't even considering looking at me and-"
And he stops. And Dazai starts laughing even louder.
"Christ you're right, shit, what was I thinking? What am I, a five year old who doesn't accept that his best friend has other friends?"
Dazai steals his cigarette and they can't stop smiling, really. "It's fine Chuuya, you love me even more than you think you do! I know it and now you know it too, it's fine."
Chuuya lights up another cigarette (he's going to regret how much he's smoking today), "Whatever you say, jealousy or not it was still shitty to ignore me like that."
Dazai's smile dies a little, "Yeah I know, I'm sorry. I thought it would be fun to spend time with both of you, I didn't think you would isolate yourself like that."
"I didn't- I didn't isolate myself. You two were passionately talking about your stuff and did nothing to include me in the conversation."
"I- You're right. Sorry." His smile comes back, shining like before, "Will your love for me help you to forgive me for being an asshole?"
Chuuya laughs a bit, "Maybe."
It ends like that. Chuuya forgives Dazai and they start hanging out in Chuuya's room like they always do.
But there's something different. Dazai knows it's stupid, but the jealousy their friend felt made him feel like he was on cloud nine. His chest felt worm and their legs weak because Chuuya cares, he cares a lot and he showed in a way that was like- like a boyfriend would. Because Dazai admits it, his interactions with Fyodor are often flirty, so if Chuuya is jealous because of him, well, Dazai has a chance. Or at least he can hope that maybe their best friend likes them - not like a friend, but like Dazai does.
Hope never hurt anyone, right?