BTOB has revealed that their first unit group BTOB-BLUE will be releasing a surprise digital single! The new unit group consists of vocal line members Eunkwang, Changsub, Hyunsik, and Yook Sungjae. The four-member unit group will be releasing “Stay By My Side” (tentative translated title) on September 19 at 12 a.m. KST. “Stay By My… Continue reading BTOB Reveals First Unit Group Members, Name, Title Track, And More