Park Dong-hoon
Choi Min-sik, Kim Dong-hwi
Ji-woo, an outcast at a prestigious private school, meets Hak-sung, the school janitor who is actually a mathematical genius who defected from North Korea.
In Our Prime
Seok Jae-seung
Lim Hyung-kook, Ro Jong-hyun
Ku-mok, who lives like a hyena, changes his cell phone at a convenience store. He tells Hwa-young to come to his office to find the replaced cell phone.
Watch Your Back
