
Quick answer — Akihiro Ishihara worked on The Idol Master (Supervisor), THE IDOLM@STER MOVIE: Kagayaki no Mukougawa e! (Supervisor), THE IDOLM@STER CINDERELLA GIRLS (Supervisor).
Akihiro Ishihara worked on The Idol Master (Supervisor), THE IDOLM@STER MOVIE: Kagayaki no Mukougawa e! (Supervisor), THE IDOLM@STER CINDERELLA GIRLS (Supervisor).