your Aizawa's wife he brings you into class 1-A to help train them unfortunately you are quirk less but you're incredibly skilled with weapons

Mr.Aizawa*: Alright class today we will be doing training with my wife {your name} she is quirk less because she lost her quirk so don't ask to many questions about her quirk but she is incredibly skilled with weapons mostly katana's

Bakugo: SHE PROBABLY WEAK

Mineta: I can probably steal her from Mr.Aizawa..." (Setting:gym)