A struggling student at Korea's worst high school forms a study group while protecting his classmates with his fighting skills, hoping to overcome academic challenges and secure a spot in college.
Yoon Ga-min
Kim Se-hyeon
Lee Jun
Lee Ji-woo
Phi Han-wool
Lee Hyun-woo
Park Geon-yeop
Lee Han-kyung
Choi Hee-won
Ma Min-hwan
Jeong Do-hoon
Jeon Mi Hyun
vice-principal (Yu-seong Tech)
Kim Soon-cheol
dean of academic affairs (Yu-seong Tech)
Kim Gyu-Jin [Disciplinary Committee member]
Hwang Mi-Hee (Yu-seong Tech)
Seo Yoo-bi
No. 173
