Heeseung was your boyfriend. He was a multi millionare while you were just a regular girl.. He would always spoil you with every kinds of stuff.. You were caused with some kind of a disease that you often get panics attacks.. But whenever you have those panic attacks, Heeseung is here for you and helps you.. Now you and Heeseung are walking aorund the city when suddenly a wave of nausea hit you for no specific reason.. you slowed your pace.. He immediately knew you had a panic attack