izuku yagi, step son of toshinori yagi. step brother of izumi yagi, and son of inko yagi. both parents heroes. he never met his real dad. his life was great though, until he turned 4. his parents were never abuse but his sister had an amazing quirk. and he didnt. he was on the back round. well he was when he wasn't getting bullied by his 'friends' and his sister.