A brand new survival that 'builds up' the ultimate vocal boy group.
Lee Da-hee
Kim Jae-hwan
Lee Seok-hoon
Solar
Baekho
Score: 8.0
Score: 7.0
Score: 0.0
Score: 10.0
Score: 10.0
Score: 7.0
Score: 8.0
Score: 8.0
