bitter memories of past❤️ ( rosekook ft. vsoo, yoonnie, jinlisa)

story of a rich girl who is facing stress disorder cause of her ex boyfriend who still send messeges.she is really scared of her ex-boyfriend and she didn't tell anyone about messeges.she get scare of little things.
and a boy who thinks that all girls are golddiggers. he is very cold hearted outside but funny and caring inside

what will happen if they became friends?
what will happen if the boy fall for her and couldn't able to tell cause of her fear?
what will happen if her ex-boyfriend tries to harm her?