(REVISING) The Incubus Prince (Incubus Male OC x Highschool DxD Harem/Polygamy)

The Three Factions of Fallen Angels, Angels and Devils, were at war for over a millennia, neither side giving way, each side fighting to preserve their pride. However, among these three there was a Fourth Faction which did NOT participate in The Great War, only lending their aid when it benefitted them. These were the...