- Aoi Yoshikura (Schoolgirl Complex) as Ryoko Ochiai, a former child actress who got into voice acting
- Mariya Nagao (Majisuka Gakuen) as Ren Inaba, a PreCure otaku who aspires to become a voice actress
- Yurika Nakamura (Kakegurui) as Asami Kuriyama, a girl who has a lot if professional knowledge and skill and considers Kotomi as her rival
- Jun Amaki as Konatsu Morimoto, a girl from Kansai who is the group's moodmaker and a sore loser
The upcoming series is directed by Natsuki Seta, Toshiki Soma, and Kyohei Tamazawa with scripts written by Kouta Fukuhara and Shinya Hokimoto and will feature music by Shoji Ikenaga. Koe Girl! is set to premiere this April on TV-Asahi and ABC.
[Source: Anime News Network]