© 2026 The Couch Critic
Status
Ended
Release
2022 - 2022
Seasons / Eps
1 / 12
Streaming availability by country
A boy falls to his death at school, but Ok Chan-mi does not believe that her twin brother, Park Won-seok, committed suicide. Chan-mi transfers to her brother's school, Yongtan High, and meets Ji Soo-heon, who witnessed her brother's death. A "hero," who avenges bullied students, appears at Yongtan High. Chan-mi speculates that it may be connected to her brother and starts looking for this hero.
20 Cast Members
Shin Ye-eun
Ok Chan-mi
12 Episodes
Lomon
Ji Soo-heon
12 Episodes
Seo Ji-hoon
Seok Jae-beom
12 Episodes
Chae Sang-woo
Ki Oh-seong
12 Episodes
Lee Soo-min
Gook Ji-hyun
12 Episodes
Chung Su-bin
Tae So-yeon
12 Episodes
Kim Joo-ryoung
Jin So-jeong
12 Episodes
Wooyeon
Hong Ah-jung
12 Episodes
Jin Ho-eun
Sa Joong-kyung
12 Episodes
Yeon Oh
Lim Seung-woo
12 Episodes
Ok Jin-uk
Ma Nak-joon
12 Episodes
Kang Yul
Park Won-seok / Ok Chan-kyu
12 Episodes
Ha-min
Hwang Soo-na
12 Episodes
Jeon Seok-chan
Gu Ja-taek
12 Episodes
Moon Ye-jin
Park Na-rim
12 Episodes
Kang Yoon
Sa Jung Gyeong's uncle
2 Episodes
Choi Seol
Im So-mi (Eps 2, 3)
2 Episodes
Hwang Bo-un
Da yeon
1 Episodes
Kim Jun-hyung
Ji Soo-min
1 Episodes
Jang Seon-yul
Ok Chan Kyu (young)
1 Episodes
