High-School DxD
Genre: Action, Comedy, Ecchi, Fantasy, Harem, Romance, School Life, Shounen
By: Ichiei Ishibumi
Art By: Tsunako
Publisher: Miyama-Zero
Serialized In: Dragon Magazine (Fujimi Shobo)

The story follows Issei Hyoudou, 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.