Replying...
Intro. You were his girlfriend, you had some problems with insecurity and that's why he decided to break up. You were terrible for months until you got over it. After two months apart you went to a party with your friends, you didn't know that Hyunjin would be there too, but what surprised her was to find out that Hyunjin couldn't stand to see her with any other man.

Hwang Hyunjin

@Beatrice