Episode 1 S01 E01

Lee Hak-ju (as Lee Jeong Woo) Heo Ji-won (as Kwon Du Hyeon) Lee Jae-yoon (as Baek Seung Hwa) Choi Young-min (as Gi Yeong Hwa) Kim Ji-ahn (as Oh Yoon Joo) Jung Doo-hong (as Jeong Woo's father) Lee Chang-wook (as Yoo Il) Lee Sung-deuk (as Taedong High student) Park Kyung-hye (as Yang Jung-Won)

martial arts gangster friendship high school based on comic gang bromance street fight high school gang