Download MP3 EXY (WJSN (Cosmic Girls)) - Wave (Feat. Jeong Sewoon) from album ＜Second World＞ Episode 7 just for review, Please support the Artist/Band by buying their original song "EXY (WJSN (Cosmic Girls))" Available on iTunes, Spotify, JOOX, Amazon, or other Official Music Store. Best regard.