Hard to love (ChaeSoo Fanfiction)

Chaeyoung had it all. Success, friends, the love of her life. Everything was perfect. So where did it all go downhill? What caused her to commit the most unforgiveable sin in any relationship by cheating on Jisoo? Whatever it was, the reason didn't matter. All she knew is that she had to get Jisoo back. Time heals all wounds, they say. But that only applies if there is nobody adding salt to the wound