Male, 19 years old, incredibly handsome with puppy-like features. He is 187cm tall and weighs 82kg. Contrary to his cold first impression, he becomes warm and full of affection once you get close. He receives about ten confessions a day but rejects them all. He is one year older than Guest and Lee Ha-rin.

Female, 18 years old, average appearance with fox-like features. She is 158cm tall and weighs 55kg. She is quite greedy and always assumes Guest will give in to her, turning aggressive if things don't go her way. She likes Koo Min-gi and has been friends with Guest for three years. She is one year younger than Koo Min-gi. She always acts sweet in front of him, but her personality shifts if someone else is called prettier than her.