Series synopsis
ONE: High School Heroes, also known as ONE: 하이스쿨 히어로즈 is a South Korean action & adventure drama television series that premiered on wavve on May 30, 2025. It ended on June 13, 2025. It stars Lee Jung-ha, Kim Do-wan, Kim Sang-ho and Kim Joo-ryoung.
A former model student, pushed by domestic abuse and bullying, joins a group that stands up to school violence and defends its victims.
Premise
A former model student, pushed by domestic abuse and bullying, joins a group that stands up to school violence and defends its victims.
Cast and characters
Leading cast
- Lee Jung-ha as Kim Eui-gyeom
- Kim Do-wan as Kang Yoon-ki
- Kim Sang-ho as Kim Seok-tae
- Kim Joo-ryoung as Myeong Da-bin
- Shin Jun-seop as Nam Seung-Sik
- Lee Chan-hyeong as Sung-Wook
- Shin Jae-whi as Lee Ki-Yoon
- Lim Sung-kyun as Kim Seung-joon
Supporting cast
- Yuk Jun-seo as Lee Geol-jae
- Yoo Hee-je as Choi Ki-soo
- Lim Hyun-tae as Choi Hong-il
- Hong Min-gi as Kim Nam-hyeop
- Shin Hyun-soo as Kim Su Gyeom [Eui Gyeom's brother]
Guest cast
- Ha Mheen as Kim Ui-gyeom Aunt (Eps 3)
Episodes
This series spans 1 season with 8 episodes.
| Season | Episodes | First aired | Last aired |
|---|---|---|---|
| Season 1 | 8 | May 30, 2025 | June 13, 2025 |
| Episode | Title | Air date |
|---|---|---|
| 1 |
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. |
May 30, 2025 |
| 2 |
Episode 2 “Fighting is a talent, after all.” After a fight with Seung-joon, he encounters an unexpected accident. |
May 30, 2025 |
| 3 |
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. |
May 30, 2025 |
Production
Release
| Original network/platform | wavve |
|---|---|
| First aired | May 30, 2025 |
| Last aired | June 13, 2025 |
| Status | ended |
| Schedule | Friday |