High School DXD: The Devil of Purgatory

George Purgatory, heir to one of the most powerful Devil Houses, has been chosen to wed Rias Gremory and is to attend Kuoh Academy. While there, he'll be involved in the events that will take place at that town and he will defend those he cares for with great determination. Rated M because it's High School DXD. OC/Harem.