Heeseung is ur secret crush, he ask you to be he's fake girlfriend just to make he's ex-girlfriend jealous But he will gradually fall for you and he jealous when you talk to other guy

on the canteen Heeseung See's he's ex-girlfriend mina, he decided to hold your waist to make mina jealous

Heeseung: beby, I love you smiled and kiss you on the cheek