ONE: High School Heroes

• 
  E1

  Episode 1

  “How are you going to fight tomorrow? It starts tomorrow." After losing the cassette, Ui-Gyeom meets Yoon-Ki and their normal life is shaken up.

  2025-05-30 · 51m
• 
  E2

  Episode 2

  “Fighting is a talent, after all.” After a fight with Seung-joon, he encounters an unexpected accident.

  2025-05-30 · 46m
• 
  E3

  Episode 3

  “I don't want to give in, not to them...” The resolve to fight back. Despair, visions, and an unexpected hand lead him on.

  2025-05-30 · 47m
• 
  E4

  Episode 4

  “The problem is there are too many bad guys in the world." Anger with nowhere to go and shaky justice. Yun and Yi decide to “revolutionize.

  2025-05-30 · 41m
• 
  E5

  Episode 5

  No description.

  2025-06-06 · 46m
• 
  E6

  Episode 6

  No description.

  2025-06-06 · 47m
• 
  E7

  Episode 7

  No description.

  2025-06-13 · 48m
• 
  E8

  Episode 8

  No description.

  2025-06-13 · 49m

Top cast

Lee Jung-ha

Kim Eui-gyeom

Kim Do-wan

Kang Yoon-ki

Kim Sang-ho

Kim Seok-tae

Kim Joo-ryoung

Myeong Da-bin

Shin Jun-seop

Nam Seung-Sik

Lee Chan-hyeong

Sung-Wook

Shin Jae-whi

Lee Ki-Yoon

Lim Sung-kyun

Kim Seung-joon

Yuk Jun-seo

Lee Geol-jae

Yoo Hee-je

Choi Ki-soo

Lim Hyun-tae

Choi Hong-il

Hong Min-gi

Kim Nam-hyeop