흑백 가수: 보컬 계급 전쟁

Yang Hee-eun

Self - Contestant

Kim Jong-seo

Self - Contestant

Kim Yeon-woo

Self - Contestant

George Han Kim

Self - Contestant

Kim Yoon-ah

Self - Contestant

Lena Park

Self - Contestant

Kim Tae-woo

Self - Contestant

Gummy

Self - Contestant

Lee Young-hyeon

Self - Contestant

Ha Hyun-woo

Self - Contestant

10CM

Self - Contestant

Lee Hae-ri

Self - Contestant