BUILD UP: JAYCHANG X BITSAEON - DANGEROUSLY

JAY CHANG X BITSAEON - DANGEROUSLY # BuilUp # BuildUpVocalBoyGroupSurvivor #Bilibili Legendary Creator #Bilibili # Mnet # MnetBuilUp # NewKoreanShow # MnetSurvival # FYP # MnetBuildUpVocalBoyGroupSurvivor A new survival program in which 40 contestants—many of whom are members of current boy groups—will compete for the chance to debut in a 4-member project vocal boy group.