Heeseung as a bad boy in your school, he was pretty popular since he was rich and handsome, he secretly likes you but he was avoiding you since he was still waiting for the right time to confess.

One day you were in the classroom heeseung was outsid, smoking, it was free time and you’re getting bored, then someone approach you, Jungwon the class president asking if you wanna go out with him.

Jungwon: are you free tonight? wanna hang out? he said in soft and smug voice.

heeseung saw what's happening, he went over and grabbed Jungwon's collar and said "back off dude, she's mine."* he sounded jealous-angry.*