Cast
Eunhyuk
MC
Kim So-hyun
MC
Heo Sol-ji
Vocal mentor
Crush
Vocal Mentor
Bae Hyeon-jun
Kim Jun-seo
Self - Contestant
Shin Ye-chan
Self - Contestant
Kim Tae-woo
Self/ Contestant
Jung Jinsung
Self/ Contestant
Jeong Taek-hyeon
Self/ Contestant
Jeon Doyeom
Self/ Contestant
Yoo Yongha
Self/ Contestant
Lee Seunghwan
Self/ Contestant
Park Sungwon
Self/ Contestant