This story starts before the events of Highschool DxD, a boy named (Y/N) was in the woods. He was alone and almost at death's door until a certain black dragon decided to keep him, the dragon took care of the boy and taught him how to use magic. Unknown to the dragon that the boy he picked up was the son of an old acquaintance of his. After 17 years, the dragon sends him and a few others like him to go to a human school where they will meet Rias Gremory and her peerage. What will (Y/N)'s life be with him and his girlfriends in the middle of a war between the Angels, Fallen Angels and Devils?
6 parts