剧情讲述少年尹佳敏虽很想拥有优异的学习成绩，但他的所有才华都集中于打架的实力上，他在这地球上最差的流星工业高中组建“学习小组”后开始激烈地准备入学考试。
Minhyun
Yoon Ga-min
Lee Jong-hyun
Kim Se-hyeon
Gong Do-yu
Lee Jun
Shin Su-hyun
Lee Ji-woo
Cha Woo-min
Phi Han-wool
Park Yoon-ho
Lee Hyun-woo
Hong Min-gi
Park Geon-yeop
Han Ji-eun
Lee Han-kyung
Yun Sang-jeong
Choi Hee-won
Baek Seo-hoo
Ma Min-hwan
Lee Gwang-hee
Jeong Do-hoon
Kim Young-ah
Jeon Mi Hyun
Jeong Jae-seong
vice-principal (Yu-seong Tech)
Joo Yeon-woo
Kim Soon-cheol
