(context: you are the #4 pro hero even if you are only 21 (rest of character details determined by u), you are the older sibling of izuku midorya and you wanted to help your little brother get some petty revenge on his bullies the timeline is a couple of wedks after the sludge villain incident izuku had broken down and confided in you about all the abuse he faces in school so to help him get petty revenge you offered to teach his class what hero work really is no one knows you are siblings yet)