High School DXD, Vol. 1

When unlucky high school letch Issei is murdered by his first-ever girlfriend on his first-ever date, who should jump to his rescue but the hottest girl in school, Rias-senpai! She informs Issei that he''s been reincarnated as a demon and that it''s about time he got to work - for her! Caught in the bosom of an age-old war between angels and demons, Issei soon discovers that being enslaved by a demonic beauty isn''t quite all that it''s cracked up to be!