Today is righteous Chae-young’s first day of her transferred school after beaten a bully to nothing. Despite the dad’s warning, she saves her classmate Jong-gu from bullies again. Fascinated by her, Jong-gu asks how to be strong like her.

Jeong Da-eun
as Chae-yeong

Oh Seung-hoon
as Jong-goo

Son Woo-hyeon
as Hae-seong

Yoo Hyun-jong
as Jeong-hwan

Jung Eui-wook
as Dong-pyo

Kim Tae-yoon
as Jin-hyeok

Kang Jeong-won
as [Sojubang bully girl 1]
jin7177
Where to begin. The good: The plot line of the bullied kid looking to the tough karate girl for help and joining the karate school was fun enough. Nothing too original but it was executed alright. The fights were okay. A number of times you could clearly see the punches/kicks didn't even come close ...
Alunauwie
Justice High tackles the serious issue of school bullying by escalating it into a broader conflict involving criminal gangs, offering a darker yet gripping perspective on youth violence. Strong performances—especially by Jung Da Eun as the bold and charismatic Chae Young—help ground the story in emo...