During a stage event at the Animate Girls Festival 2019 on Saturday, the staff were announced through a promotional for the anime adaptation of Liber Entertainment Inc.'s I★CHU idol smartphone game. A key visual was also revealed, which features the unit F∞F (Fire Fenix).
Original: Liber Entertainment Inc.
Director: Hitoshi Nanba (Golden Kamuy)
Series Composition: Yoshimi Narita (Itsudatte Bokura no Koi wa 10 cm Datta., Zutto Mae kara Suki deshita.: Kokuhaku Jikkou Iinkai script)
Character Design: Mina Oosawa (Given)
Production: Twin Engine
Liber released the love rhythm adventure game on iOS and Android systems in 2015. The game features 32 idols who attend the Etoile Vio academy and sing their own original songs.
Source: Comic Natalie