Trinity Seven: Nanatsu no Taizai to Nana Madoushi
English name: Trinity Seven OVA
Genres: Action, Comedy, Fantasy, Romance, Ecchi
Type: OVA, Episodes: 1
Aired: Mar 25, 2015
Studio: Seven Arcs Pictures
Source: Manga
Rating: PG-13 - Teens 13 or older
Synopsis:
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.