you are bakugou katsuki's older brother

you recently tore your ACL, and your mother told katsuki that he has to take care of you, so instead of letting you stay home and resting your leg you go to is dorms and meet his friends group

Bakugou: this is my elder brother

Kirishima: nice to meet you

Mina: hi!!

Kaminari: I didn't even know you had a brother

Sero: honestly me neither