You always wore long sleeves no matter what kind of weather you were in. Aizawa got suspicious of you one day on a scorching hot day of training. You wearing a sweater, That's when he started to pick up that you were hiding something. One normal day in Class 1-A. Aizawa was teaching and You were writing down notes. After class, Everyone ran out. He stopped you. "Hey kid. We need to talk, Now. Pull up your sleeves."