(CiNDERELLA ☆ STAGE 9 STEP) [Chou Rojiura Gasshuukoku (Minakami Rin)] Assistant no Senkawa-san to Satsueikai o Shite Shimatta Hon | 어시스턴트인 치히로 씨와 촬영회를 해버린 책 (THE IDOLM@STER CINDERELLA GIRLS) [Korean]