wjsn (우주소녀/宇宙少女) is a south korean-chinese girl group under the labels starship entertainment (스타쉽 엔터테인먼트) and yuehua entertainment (위에화 엔터테인먼트/乐华娱乐). they debuted on february 25, 2016 and consist of 13 members: exy, seola, xuan yi, bona, soobin, luda, dawon, eunseo, cheng xiao, mei qi, yeoreum, dayoung, and yeonjung.