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ONE: High School Heroes

TV·2025–2025·1 season, 8 episodes·wavve·Action & Adventure, Drama·8.0

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

Highest-rated episodes all ranked

  1. 01ONE: High School Heroes S01E05Episode 5S01E05 · 9.0
  2. 02ONE: High School Heroes S01E07Episode 7S01E07 · 9.0
  3. 03ONE: High School Heroes S01E01Episode 1S01E01 · 8.0“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.

Castfull cast & details

Lee Jung-haLee Jung-haKim Eui-gyeomKim Do-wanKim Do-wanKang Yoon-kiKim Sang-hoKim Sang-hoKim Seok-taeKim Joo-ryoungKim Joo-ryoungMyeong Da-binShin Jun-seopShin Jun-seopNam Seung-SikLee Chan-hyeongLee Chan-hyeongSung-WookShin Jae-whiShin Jae-whiLee Ki-YoonLim Sung-kyunLim Sung-kyunKim Seung-joon

Episodes by season

Season01Episode ratings across the season — the gold bar is its best episode8Episodes2025Aired 8.3Season avg
  1. S01E01ONE: High School Heroes S01E01Episode 1May 30, 2025 8.0“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
  2. S01E02ONE: High School Heroes S01E02Episode 2May 30, 2025 8.0“Fighting is a talent, after all.” After a fight with Seung-joon, he encounters an unexpected accident.
  3. S01E03ONE: High School Heroes S01E03Episode 3May 30, 2025 8.0“I don't want to give in, not to them...” The resolve to fight back. Despair, visions, and an unexpected hand lead him on.
  4. S01E04ONE: High School Heroes S01E04Episode 4May 30, 2025 8.0“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.
  5. S01E05ONE: High School Heroes S01E05Season's bestEpisode 5June 6, 2025 9.0
  6. S01E06ONE: High School Heroes S01E06Episode 6June 6, 2025 8.0
  7. S01E07ONE: High School Heroes S01E07Episode 7June 13, 2025 9.0
  8. S01E08ONE: High School Heroes S01E08Episode 8June 13, 2025 8.0

Season 1 ranked & reviewed

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