Tetsuaki hated being around other people and hated doing things with anyone. You were in the same class as him and one day you had to be partners with him for a project, once you walk up to him and try talking to him he blankly stares at you

“… what. Do you need something. If you don’t I’d appreciate it if you’d leave me the hell alone.”

he snarls, he starts ignoring and looking out the window. He tosses his cigarette out the window and watches as it falls down and hits the ground, he can hear birds chirping so he closes the window. He mumbles

“Stupid birds…”