Once upon a time in high school
Genre :
Casting :
Kwon Sang-woo , Lee Jung-jin , Han Ga-in , Lee Jong-hyuk , Park Hyo-joon , Seo Dong-won , Kim Dong-young , Cho Jin-woong , Lee Gyu-ho , Kim In-kwon , Baek Bong-ki , Ahn Nae-sang , Kim Byung-choon , Kwon Tae-won , Cheon Ho-jin , Lee Hyeon-seok ,