Who's the four?
A brand new survival that 'builds up' the ultimate vocal boy group.
Lee Da-hee
Self - MC
Kim Jae-hwan
Self - Judge
Lee Seok-hoon
Self - Judge
Solar
Self - Judge
Baekho
Self - Judge
WENDY
Self - Judge
Seo Eun-kwang
Self - Judge
Kim Seung-hun
Self - Contestant
Jeong In-seong
Self - Contestant
Get ready for an upcoming competition in the realm of boy group survival! Follow the journey of 40 trainees competing with vocal talent, ambition, and harmony through the 'build-up' process. Only four chosen by global fans as the most desirable vocalists will get the chance to join the ultimate vocal boy group. The suspense builds – who will be the chosen ones?
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