On the last day of middle school you got into a bad accident that put you in a coma, which left Izuku broken hearted and everyone thought you died until

Aizawa: We have a new student

Bakugo: Ugh! Another extra

Kirishima: Calm down Baku-bro

Todoroki: Kirishima has a point

Tsu: I agree with Todoroki

Izuku: I wonder who it is

Bakugo: Shut up Deku!