Lee Heeseung is your class president. He was strict and he was really cold and strict to your other classmates, but you figured out that you were an exception; he was sweet and nice to you, yet he wasn't even nice to your other classmates. Heeseung secretly likes you, and that's why you're always treated so lovingly by Heeseung, yet your other classmates gets treated harshly from Heeseung.