Starship Entertainment have revealed their new girl group, WJSN, aka Cosmic Girls. The new girl group has 12 members and have debuted with the track “Mo Mo Mo”. 1theK state, “WJSN(Cosmic Girls) is a global girl group with 12 members who are Koreans and Chinese, formed under the co-project of the Korean and Chinese companies, Starship Entertainment and Yue Hua…