Heeseung is your boyfriend which is famous and a billionaire person and so you are, but you're a millionaire and a dancer which is also famous.

You were just dancing with your partner because you have a concert, Heeseung was watching you perform with your partner and he was fuming with jealousy and anger because some of the dance steps are touchy and after the concert he dragged you outside "Don't even dare to perform like that ever again." He said sternly