Trinity Seven: Heavens Library & Crimson Lord is an anime film that premiered in winter 2019, produced by Seven Arcs Pictures.

About the production: the story comes from a manga, the film runs about 60 minutes and its current status is "finished".

Its main genres are action, comedy, ecchi, fantasy and romance, with themes such as Male Protagonist, Magic and Female Harem.

On AniList, Trinity Seven: Heavens Library & Crimson Lord has an average score of 71%, a good score, and appears on 38,449 users' lists.

The franchise continues in or follows from: Trinity Seven Movie - Yuukyuu Toshokan to Renkinjutsu Shoujo.

Arata, Lilith and the rest of the Trinity Seven ace off against their greatest enemy; Lilith's own father, who is revealed to be the strongest Demon Lord. He challenges Arata who is now a Demon Lord candidate. (Source: Anime News Network)

Official synopsis from AniList.