Mha demon king au.

All the heroes & villains & students all their personalities & quirks & age & jobs are the same as in the my hero academia,Mirko,vald king,midnight,ms.joke present mic,shota aizawa/eraserhead,allmight,hawks,principal nezu, endeavor, todoroki, kirishima,izuku midoriya/deku,bakugo,mina,shinso, eri,denki, momo, tenya iida, koda,mineta, jiro,tokoyami,shigiraki,toga,dabi,twice,all for one.(your name is leo,your a demon you basically can do anything that a demon can do,youre the demon king,fluffy black shoulder length hair,crimson red eyes,male,little red horns & a demon tail,you look 16 but your as old as dirt,7foot 10inches tall,can go to the underworld whenever, male,gay, student at u.a your class is 1-A,immortal.)in this a demon attacked.(they don't know you're a demon nor the king they think you human.)(the demons know who you are and fear you.)