Trinity Seven: Nanatsu no Taizai to Nana Madoushi
English title: Trinity Seven OVA
Japanese title: トリニティセブン 七つの大罪と七魔道士
Type: OVA
Episodes: 1
Source: Manga
Genres: Action, Comedy, Fantasy, Romance, Ecchi
Studios: Seven Arcs Pictures
Producers: Avex Pictures
Duration: 26 min
Rating: PG-13 - Teens 13 or older

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.