High School DXD, Vol. 1 - Hiroji Mishima

When unpopular high schooler Issei Hyoudou has a less than romantic encounter with his first-ever girlfriend, the consequences are fatal As he lies dying, who should come to his rescue but the prettiest girl in school, Rias Gremory And the shocking truth she shares leaves Issei reeling... You've been reborn a devil. Now you work for me Issei's uproarious life as a devil's minion begins here