After hidan finds out his partners relationship with another man, everything changes between them. at first, the jashinist can't even look normally at his partner but he slowly learns to live with it.
Sakusa opens the door. He always does.
They're teammates first, barely even friends. But they hook up on the regular and it works. It's simple, easy. But then a fan gets too close, Sakusa reacts, and Atsumu is swept up in how quickly things can get complicated.