Arata is set to be expelled! The only way to save himself is to be taught more about the magic archives from the Trinity Seven themselves.
Main Title: Trinity Seven: Nanatsu no Taizai to Nana Madoushi
Synonyms: Trinity Seven (2015), Trinity Seven OVA
Japanese: トリニティセブン 七つの大罪と七魔道士
Prequel: Trinity Seven
Sequel: Gekijouban Trinity Seven: Eternity Library to Alchemic Girl
Status: Finished Airing
Aired: Mar 25, 2015
Producers: Avex Pictures
Studios: Seven Arcs Pictures
Genres: Action, Harem, Comedy, Supernatural, Magic, Romance, Ecchi, Fantasy, School, Shounen
Duration: 26 min.
Rating: PG-13 - Teens 13 or older