ONE: High School Heroes

A former model student, pushed by domestic abuse and bullying, joins a group that stands up to school violence and defends its victims.

Action & Adventure Drama

Shin Jun-seop

(Nam Seung-Sik)

Shin Jae-whi

(Lee Ki-Yoon)

Lee Jung-ha

(Kim Eui-gyeom)

Kim Do-wan

(Kang Yoon-ki)

Kim Sang-ho

(Kim Seok-tae)

Kim Joo-ryoung

(Myeong Da-bin)

Lim Sung-kyun

(Kim Seung-joon)

Yuk Jun-seo

(Lee Geol-jae)

Yoo Hee-je

(Choi Ki-soo)

Lim Hyun-tae

(Choi Hong-il)

Lee Chan-hyeong

(Sung-Wook)

Hong Min-gi

Shin Hyun-soo

(Kim Su Gyeom [Eui Gyeom's brother])