High School DxD is a fantasy harem light novel series by Ichiei Ishibumi, illustrated by Miyama-ZERO. The story revolves around Issei Hyodo, an ordinary high school student who gets caught up in a world of supernatural beings when he is killed by a fallen angel and revived as a devil. With his newfound powers and a team of beautiful and fierce girls, Issei must navigate the complex web of relationships and rivalries between angels, devils, and other creatures of myth and legend. Along the way, he discovers that his destiny is intertwined with the fate of the world, and that he has a crucial role to play in the escalating conflict between heaven and hell.