Season 1

Rain

Self - Host

San E

Self - Mentor

Hwang Chi-yeul

Self - Mentor

Jo Hyun-ah

Self - Mentor

Kim Hyuna

Self - Mentor

TAEMIN

Self - Mentor

Lee Jun-young

Self - Contestant

Hong Eui-jin

Self - Contestant

Lee Eui-jin

Self - Contestant

Baek Ye-bin

Self - Contestant

Ko Ho-jung

Self - Contestant

NC.A

Self - Contestant

FeelDog

Self - Contestant

Shin Yoon-jo

Self - Contestant

Marco

Self - Contestant

Lee Hyun-joo

Self - Contestant

Ji Han-sol

Self - Contestant

Yang Ji-won

Self - Contestant

Park Dae-won

Self - Contestant

Bae Woo-hee

Self - Contestant