Trinity Seven: Heaven's Library & Crimson Lord

Original title: 劇場版 トリニティセブン -天空図書館と真紅の魔王-

Heavens Library & Crimson Lord brings back Arata, Lilith and the rest of the Trinity Seven to face off against the greatest enemy in the history of the Trinity Seven; Lilith’s own father, who is revealed to be the strongest Demon Lord who challenges Arata who is now a Demon Lord candidate.