Somehow 18

Somehow 18 (2017) is a drama with 1 season, rated 7.4/10.

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.