The IDOLM@STER Cinderella Girls Starlight Stage smartphone game announced that the iDOLM@STER franchise is getting a new anime! Its title is The Idolm@ster Cinderella Girls Gekijou or The Idolm@ster Cinderella Girls Theater Extra Stage. They even revealed a new teaser PV for the upcoming anime:

According to the announcement, The Idolm@ster Cinderella Girls Theater Extra Stage will premiere sometime in spring 2020. They also revealed that the anime will stream exclusively in the The IDOLM@STER Cinderella Girls, as well as The IDOLM@STER Cinderella Girls Starlight Stage smartphone games.

Cinderella Girls Theater is a series of spin-off shorts for The iDOLM@STER Cinderella TV anime. Expect the staff to reveal more details about the anime, such as staff and cast, in the near future.

Source: The IDOLM@STER Cinderella Girls Starlight Stage game Twitter account