Kim Do Wan, Lee Jung Ha’s One: High School Heroes — release date, time, where to watch, cast, plot, and more
Watch a high schooler take control of his life while battling abuse at home and school. Find out when and where you can stream this powerful story.

ONE: High School Heroes is a South Korean action drama focused on bullying, oppression and the struggle against injustice within a high school setting. If you love shows like Study Group and Weak Hero Class 2, then this drama is just for you. Starring Lee Jung Ha and Kim Do Wan in lead roles, this series promises thrilling action and the triumph of good over evil. Here are the latest updates on the release date, plot, character details and streaming information.
ONE: High School Heroes - Plot and character details
The drama, adapted from the webtoon of the same name, tells the story of Kim Eui Gyeom (played by Moving star Lee Jung Ha), a high-achieving student. His life is marred by abuse at home and school, leaving him without anyone to turn to for support. At home, he suffers at the hands of his father, while at school, he's subjected to bullying.
Initially, he chooses to endure the torment, prioritizing his academic performance over confrontation. However, as the abuse gets to an unbearable level, he is compelled to stand up for himself. During his darkest period of physical and emotional torment, Kim Eui Gyeom forms a bond with a classmate, Kang Yun Gi (played by Wedding Impossible star Kim Do Wan). Kang Yun Gi seeks to exploit Kim Eui Gyeom's fighting prowess, and together, they become known as the 'High School Heroes.'
As a masked vigilante duo, they not only fight against Kim Eui Gyeom's tormentors but also join forces to rid the school of its violent atmosphere and support the victims of bullying.
ONE: High School Heroes - When and where to watch
ONE: High School Heroes will premiere with episodes 1 to 4 on May 30 (Friday) on Wavve. Episodes 5 and 6 of the mini-drama will drop on June 6 and its last two will air on June 13.
ONE: High School Heroes - Supporting cast
- Veteran actor Kim Sang Ho, known for The Haunted Palace and Second Shot at Love, will star as Kim Eui Gyeom's abusive father, Kim Seok Tae.
- Queen of Tears actress Kim Joo Ryeong will play his wife, Myung Da Bin.
- Singles Inferno 4 fame Yuk Jun Seo will feature as mysterious transfer student, Lee Geol Jae.
- Other supporting characters include Shooting Stars' Im Sung Kyun as Kim Seung Jun, and Sevenus' Yoo Hee Je.