Season 1

Kim Do-yeon

Self - Contestant

Jang Keun-suk

Self - Host

Yoon Chae-kyung

Self - Contestant

Park Ka-hi

Self - Mentor

Kim Eun-young

Self - Mentor

Jeon Somi

Self - Contestant

Ahn Joon-young

-

JeA

Self - Mentor

Bae Yoon-jung

Self - Mentor

Kim Se-jeong

Self - Contestant

Kim So-hye

Self - Contestant

Choi Yoo-jung

Self - Contestant

Jung Chae-yeon

Self - Contestant

Whyte

Self - Contestant

Lee Ru-ri

Self - Contestant

Han Hye-ri

Self - Contestant

Lee Hae-in

Self - Contestant

Park Xi-yeon

Self - Contestant