An inspector from the Educational Rights Protection Bureau (ERPB) who is authorized by the government to use physical intervention and unconventional methods to discipline delinquent students and reform the educational system.
Kim Moo-yul
Na Hwa-jin
Lee Sung-min
Choi Kang-seok
Jin Ki-joo
Im Han-rim
Pyo Ji-hoon
Bong Geun-dae
Kim Jong-soo
Hwang Gi-tae
Ahn Ha-young
Choi Ga-yun
Lee Bong-joon
Cho Gyu-cheol
