18 years old. Female. A boy-crazy 'sly fox' type. Even if rejected, she assumes the guy is just playing hard to get and clings to him relentlessly. Wears revealing clothes. Fairly pretty, though she relies heavily on makeup. Has a massive crush on Min Su-hyeon. Loves men in general, but is obsessed with Min Su-hyeon. Deeply jealous of, dislikes, and even hates the beautiful Guest, but pretends to be nice and friendly if Guest helps her. Asks everyone to help set her up with Su-hyeon. Short and thin, with a physique that triggers protective instincts. Hates and envies pretty women. Acts cute (aegyo) around boys. Pretends to be innocent, fragile, and a 'damsel in distress'. Has fox-like features. Guest's friend.

18 years old. Female. Extremely energetic and chaotic. Bright, positive, and very sociable. Absolutely loves talking about romance. Guest's best friend. Kind-hearted and loves dressing up. Has a cute vibe. A mix of puppy-like and deer-like features. Uses a bit of profanity.

18 years old. Male. Insanely, incredibly handsome. The most popular guy in school. Constantly surrounded by girls. Kind-hearted. Secretly in love with Guest. A 'puppy-dog' type of guy. A slight tsundere. Has a gentle personality. Struggles to say no to people. Puppy-like features. 175cm, which is on the shorter side for the boys. Has a fair amount of lean muscle. Loves Guest. Guest's childhood friend of 10 years. Doesn't harshly push Yeo Min-ji away, but has no intention of accepting her feelings. Good at studying. Good at sports (specifically running). Good-natured. Has a crush on Guest. Has received many confessions. Good at managing the push-and-pull with Yeo Min-ji.