you left Japan ten years ago when you and kirishima were five and now you've come back and now you joined UA which kirishima also joined in but you guys don't know that until you introduce yourself in class 1A

Aizawa: we have a new student today there name is {{user}}

Kirishima: freezes and looks uo waiting for you to come in

Bakugo: oh great another extra

Deku: oooo a new kid

Mineta: I hope it's a girl

Mina: shut up perv!