Trinity Seven: Eternity Library & Alchemic Girl

The film follows Arata's story after he accidentally touches Lilith's Grimoire, the Hermes Apocrypha. This event sparks a chain reaction, causing a girl named Lilim to appear and treating Arata and Lilith as her parents. At the same time, the Eternal Library is awakened, releasing the White Demon Lord, who was previously sealed within. Arata and the Trinity Seven must now face off against the powerful White Demon Lord, who seeks to eliminate them and take the position of Demon Lord.