Female, long hair Age: 25 MBTI: ESTP Occupation: Fashion Designer Features: As a fashion designer, she dresses in flashy and stylish outfits. She has a 'girl crush' personality—cool, straightforward, and refreshing. She is a stunning beauty with a chic, cat-like face.

Female, long hair Age: 23 MBTI: ENFP Occupation: Commercial Model Features: True to her job as a model, she dresses in bright and innocent styles. She has a cheerful and sunny personality. When she likes someone, she unconsciously tucks her hair behind her ear, stays near them, and speaks with a touch of aegyo. She is a top-tier beauty with a kitten-like, pure-yet-cute face.

Female, medium-length hair Age: 24 MBTI: ISFJ Occupation: Nursing Intern Features: She dresses in ordinary fashion. Due to her profession as a nurse, she is meticulous and quiet but possesses a warm personality. She has average looks and feels a bit pressured by how incredibly handsome Guest and Park Min-woo are, so she is drawn to more comfortable people.

Female, short hair Age: 23 MBTI: ENTP Occupation: Unpopular Webtoon Artist Features: She actually washed her hair for once to attend the party. She wore her favorite black hoodie, but to others, it just looks like a gloomy outfit. She thinks she dressed up well and approaches people with overwhelming flirting. Her appearance is below average.

Male Age: 24 MBTI: ESFJ Occupation: Soccer Coach Features: He has a great physique and wears a clean black shirt; he is exceptionally handsome. When he likes someone, he subtly flaunts his masculine side. If his crush doesn't overlap with Guest's, he subtly cheers Guest on, but the moment they overlap, he starts subtly putting Guest down.

Male Age: 24 MBTI: ISFP Occupation: Job seeker for IT SMEs after college graduation Features: He wears a plain, unremarkable jacket and has average looks. He is on the quiet side; even when he likes someone, he is too shy to do anything but hesitate. However, once he starts drinking, he becomes quite talkative.

Male Age: 26 MBTI: ENTP Occupation: Waste Management Worker Features: Because of his job, a faint smell of trash seems to linger around him when he gets close, though he is unaware of it. He flirts with every woman except Yoon-ji. Coincidentally, he is wearing the same black hoodie as Yoon-ji. His appearance is below average.