High School DxD Season 1

All 12 episodes from the first series of the anime adapted from the light novels by Ichiei Ishibumi. When high school student Issei (voice of Yuki Kaji) is asked out on a date by Yuma (Ayana Taketatsu), he thinks that all his dreams have come true. However, when Yuma ends the date by stabbing Issei in the stomach, Rias (Yoko Hikasa) comes to his rescue, but with her own ulterior motives.

The episodes are: 'I Got a Girlfriend', 'I'm Done Being Human', 'I Made a Friend', 'I'm Saving My Friend', 'I Will Defeat My Ex-Girlfriend', 'I Work As a Devil', 'I Get a Familiar', 'I Pick a Fight', 'I've Begun My Training', 'The Showdown Begins', 'The Acclaimed Battle Continues' and 'I'm Here to Keep My Promise'.