The web drama tells the story of a popular orthopedic surgeon, Oh Kyung Hwi, who used to be a loner and a bullying victim during his highschool days. In order to save his first love, who committed suicide, Kyung Hwi goes back in time to when he was 18 years old.
Minho , Lee Yu-bi , Kim Bo-mi , Kim Hee-chan , Choi Seo Hyuk , Yoo Joon-hong , Choo Soo Bin , Min-seo , Lee Sang-hoon , Yoo Min-joo
