나인뮤지스 (Nine Muses) is a 5 member South Korean girl group managed by Star Empire Entertainment. Nine Muses’ official members are Sungah (성아), Kyungri (경리), Hyemi (혜미), Sojin (소진), and Keumjo (금조). The group debuted in 2010 with "No Playboy". Shortly after their debut, Jaekyung, Bini, Rana and Erine were announced to be leaving, although Erine decided to return to the group. They also promoted their debut single album side track, "Ladies".