Promare: Lio is a special anime that premiered in spring 2019, produced by TRIGGER.

About the production: the story comes from an original script, there is 1 episode of about 10 minutes and its current status is "finished".

Its main genres are action, mecha and sci-fi, with themes such as Terrorism, Fugitive, Male Protagonist and Urban.

On AniList, Promare: Lio has an average score of 69%, a good score, and appears on 13,758 users' lists.

The franchise continues in or follows from: Promare.

Promare theatergoers received, as a bonus, character cards with serial codes that granted access to the advanced streaming of a prequel anime. The events in this prequel take place one day before the events of Promare. (Source: Anime News Network)

Official synopsis from AniList.