Based on the Smartphone game.

A new promo for the anime adaptation of the game “The Idolm@ster Side M” has uploaded a new promo, enjoy:

Takahiro Harada (The Idolm@ster) and Miyuki Kuroki (The Idolm@ster: Cinderella Girls) are directing the anime at A-1 Pictures.

Via: Anime News Network