High School DxD
Title: High School DxD
Genres: action, comedy, supernatural
Themes: demons, developing powers, Ecchi, harem
The story follows Issei Hyōdō, a dim-witted, lecherous second-year high school student who is killed by a girl on his first date ever. Issei is reincarnated as a devil, and from that day forward, he serves as an underling of Riasu, a high-level devil who is also the prettiest girl on Issei's campus.