Friendship evolves into something more between two high school students: a playful chaebol heir and the diligent bodyguard who's always by his side.
한기찬
Han Tae-joo
장의수
Kang-gook
Choi Yeon-cheong
Choi Hye-mi
전재영
Kim Pil-hyun
Cheon Seung-ho
Pil-hyun's Friend
정서인
Hye-mi's Mother
