The series was originally a series by Ichiei Ishibumi, which many fans consider to have much deeper world-building and character development than the anime adaptation.

The story of High School DxD follows , a lecherous high school student who is killed by his first-ever girlfriend, Raynare, on their very first date. As he lies dying, he is reincarnated as a Devil by the beautiful Rias Gremory to serve as her "Pawn" in her occult-themed peerage. Core Narrative Arcs

: Issei is thrust into an ancient, uneasy peace between three factions—Devils, Angels, and Fallen Angels—that nearly destroyed the world.

: Issei discovers he possesses the Boosted Gear , a powerful Sacred Gear containing the soul of the Welsh Dragon, Ddraig. This makes him a prime target and a pivotal player in global supernatural politics.

The series blends high-stakes supernatural battles with slice-of-life comedy and ecchi elements. Major story developments include:

: As the story progresses, Issei forms deep bonds with several girls, including Akeno Himejima , Asia Argento , Koneko Toujou , and Xenovia Quarta , eventually considering many of them his "brides". Media Formats