WJSN (Korean: 우주소녀; RR: Uju Sonyeo; Chinese: 宇宙少女), also known as Cosmic Girls, is a South Korean girl group formed by Starship Entertainment. The group debuted on February 25, 2016, with the extended play Would You Like? and with twelve members: Seola, Xuanyi, Bona, Exy, Soobin, Luda, Dawon, Eunseo, Cheng Xiao, Meiqi, Yeoreum and Dayoung. In July 2016, WJSN added a thirteenth member, Yeonjung, to the group.