High School DxD, Vol. 1 (light novel) by Ichiei Ishibumi

Most of Issei Hyoudou's perverted life has been filled with dreams abouthaving a harem, so it's not a great sign when one of his dates ends with hismurder! He's fortunate enough to be revived by a beautiful girl, but his luckends after he discovers his school is filled to the brim with deadly angels anddemons!
Binding: Paperback / softback