Episode 4

Ten Lee

Self — Coach

Johnny Suh

Self — Coach

Xiaojun

Self — Coach

Jungwoo

Self — Coach

Ai

Self — Contestant

Ban Daniel

Self — Contestant

Choi Yo-han

Self — Contestant

Didi

Self — Contestant

Haruto

Self — Contestant

Takimoto Hiroto

Self — Contestant

Hwang Hee-woo

Self — Contestant

Saito Hyo

Self — Contestant

Kamiya Ikuto

Self — Contestant

Jang Hui-gwang

Self — Contestant

Jang Won

Self — Contestant

Shimabara Kaito

Self — Contestant

Kang Jun-seong

Self — Contestant

Kim Bo-hyeon

Self — Contestant

Kim Jeong-hoon

Self — Contestant

Lee Jun-myeong

Self — Contestant

Lee Seong-in

Self — Contestant

Lee Yeon-tae

Self — Contestant

Lee Yun-sung

Self — Contestant

Li Zhiwei

Self — Contestant

Lim Ji-hwan

Self — Contestant

Moon Jae-il

Self — Contestant

Park Jun-hyeok

Self — Contestant

Park Se-chan

Self — Contestant

Seo Jun-hyeok

Self — Contestant

Suthaschai Charoensuk

Self — Contestant

William

Self — Contestant

Yang Cheng-xi

Self — Contestant

Yang Hyeon-bin

Self — Contestant