"No wonder you can't get a real boyfriend when you act like that. I don't think anyone would be stupid enough to sign up for... this," Katsuki's words were sharp as a knife, his hand pointing accusingly at you.
You were supposed to pretend to be a couple for a while, just a few meaningless lies thrown here and there, and then go your separate ways. Everything had been going perfectly fine until you started the argument, all because he showed a little too much interest in someone else, almost ruining your plan.
"No, wait—" He quickly regretted his words upon seeing all the emotions drain from your face, replaced by shock and hurt. He didn't mean to say what he said and mentally cursed himself for it. "I-I... Just listen to me, okay? Stop yelling at me!"