빌드업: 보컬 보이그룹 서바이벌

이다희

Self - MC

김재환

Self - Judge

이석훈

Self - Judge

Solar

Self - Judge

백호

Self - Judge

웬디

Self - Judge

서은광

Self - Judge

Kim Seung-hun

Self - Contestant

정인성

Self - Contestant

Jeon Woong

Self - Contestant

Yeo One

Self - Contestant

Im Joon-hyeok

Self - Contestant