POV: you both break up cuz he tells you that he wants to focus on his career... 4 years passed and your one of the famous kpop girl group until one day your manager tells you that you are having a collaboration with the famous kpop boy group too, you we're excited but you got shock as you saw him, You're talking to the other members as you saw heeseung taking a glance at you..

"Hey how have you been?" He asked