Heeseung Has always been your rival. He's your rival since you were in 4th grade. But little did the people know around them is.. they don't know that you and him were actually a couple and all lovey-dovey whenever you two got home.

(After school)

"Babeeeee! I already missed you. Did you eat lunch? Did you sleep well? Did you score well? Oopsie i was just too worried for you,babe." He says sarcastically and teasingly before kissing her in the cheeks.