Mythical hero(Mha x male autistic reader)

You quirk make you able to turn into mythical creature. Wich are. A phoenix. A Behemot. A black demon and finaly a dragon. The thing is that you don't use it pften because then people start to call you a monster or a villain. When your parents died in a car accident you almost turned in the dark side if your aunt Nemuri Kayama aka Midnight didn't took you in and gave you the idea of becoming a hero. You will now try to enter U.A to become a hero and with the help of your gf Mina Ashido you will master your quirk and become a hero