heeseung as your kpop idol ex (inspired by an au!:D)

you and heeseung were kpop idols you two had great relationship but sadly you two needed to broke up bcs of your company. Both of ur companies decided that u two collabed u obviously had to agree bcs u have no choice,ur group and heeseungs group are now doing rehearsals, heeseung kept glancing at you.