Overview
A brand new survival that 'builds up' the ultimate vocal boy group.
Cast
- Lee Da-hee as Self - MC
- Kim Jae-hwan as Self - Judge
- Lee Seok-hoon as Self - Judge
- Solar as Self - Judge
- Baekho as Self - Judge
- WENDY as Self - Judge
- Seo Eun-kwang as Self - Judge
- Kim Seung-hun as Self - Contestant
- Jeong In-seong as Self - Contestant
- Jeon Woong as Self - Contestant