Casts
Ahn Jae-hong
as Kang Yang-hyun
Lee Sin-young
as Cheon Gi-beom
Jeong Jin-woon
as Bae Gyu-hyuk
Kim Taek
as Hong Sun-gyu
Jung Gun-joo
as Jung Kang-ho
Kim Min
as Heo Jae-yoon
Ahn Ji-ho
as Jung Jin-wook
Lee Jun-hyeok
as Teacher Lee
Kim Soo-jin
as Gyu-hyuk's Mother
Kang Ae-sim
as Principal's Wife
