Seulgi x SinB x Chungha x Soyeon (SM Station X Project) Profile Seulgi x SinB x Chungha x Soyeon is a SM Entertainment Station X project girl group, that debuted on September 28th 2018. The members are Seulgi of Red Velvet, SinB of GFriend, Chung Ha of I.O.I now a soloist, and Soyeon of (G)I-DLE. … Continue reading Seulgi x SinB x Chungha x Soyeon (SM Station X Project) Profile