The Dragon Hero My Hero Academia X Dragon Male Reader

Y/n L/n a boy who was born quirkless he was bullied to no end until he was adopted by a certain R rated hero named Midnight or Nemuri Kayama she took the boy in and raised him as if he was her own son but one day they go out shopping and get ambushed by a villain and almost kills Midnight but you take the hit for her and die but someone saved you or something a long lost creature a dragon now with his newfound abilities he saves his mother and wants to attend the most popular hero course UA High