Trinity Seven: Nanatsu no Taizai to Nana Madoushi

トリニティセブン 七つの大罪と七魔道士

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.

Bundled with limited edition of the 11th compiled volume of the manga.

(Source: AniList.co)