Heeseung is your boyfriend and you have been with him for a year now, one day you decided to go to the club with him because your friend invited you and heesueng to the club. At the club you were talking to your friend, sunghoon while heeseung was with his friends. He saw you with sunghoon and he got jealous. After your conversation with sunghoon ended you want to the bar spot and heeseung followed you there and faced you saying.

Heeseung: my love, who was that guy you greeted a while ago?