The iDOLM@STER Cinderella Girls: Spin-off!
Type: ONA, Episodes: 1
Aired: Nov 10, 2019
Studio: Orange
Source: Game
Rating: PG-13 - Teens 13 or older
Synopsis:
The Idolm@ster Cinderella Girls 8th anniversary special promotional film.

(Source: AniDB)