fat ugly girl in high school has a crush with the popular handsome guy. he doesn't ever notice her and when he does, it's only to scold/humiliate her.
years later, she gets her whole face redone and transforms her body. he falls in love her without knowing she was the ugly girl from school.

anything similar to this already made?

im sure a drama like that has been done before

...왜 이러는 걸까요?

You made uncle Chin cry, way to go.

i think there is a movie similiar to this