Umi Kosaka (Reina Ueda). Akane Nonohara (Saki Ogasawara). Roko (Atsuki Nakamura). Anna Mochizuki (Shiina Natsukawa). Kana Yabuki (Ibuki Kido) - The Idolmaster (Idolmaster) Million Live! Master Sparkle 04 - Japan CDCredits: Roko(Cv. Nakamura Atsuki),Yabuki Kana(Cv. Kido Ibuki),Nonohara Akane(Cv. Ogasawara Saki),Mochizuki Anna(Cv. Natsukawa Shiina),Kousaka Umi(Cv. Ueda Reina) Description: The long awaited application game "THE iDOLM@STER MILLION LIVE! Theater Days" CD series has started! The fourth volume of the "M@STER SPARKLE" solo song series includes solo songs by Kosaka Umimi (CV: Ueda Rena), Nonohara Akane (CV: Ogasawara Saki), Rocco (CV: Nakamura Atsuhi),