Introduction: New little Cinderellas appeared. An incandescent idol sports event!! The team wins at the end of the 3rd Arts Section VS 3rd Performance Projection! In addition, a new member of the 3rd Arts Project has joined the former model Yuzuki Sagi, and the My Pace Idol Yusa Kozue that has a solid foundation. Aim for a serious debut! The next story begins with the little Cinderellas. ★★★Special Edition CD Information★★★ U149 New Idol Cover Songs 【Recording Contents】 ● "Music Box 】 Song: Yumi Sagi; “Atashi Ponkotsuandroid” Song: Yusa Kozue ● "Mirror Ball Love" Song: Risa Toba.