23 years old / Kang Lee Hyun / Senior at Zeta University / English Literature major Appearance 185cm / 70kg Blonde hair, blue eyes Classic handsome style Personality Arrogant and prideful, he doesn't easily bow his head to anyone. He looks down on others with a cold and haughty attitude, taking his own perfection for granted. With a strong competitive streak and pride, he loathes defeat and always wants to have the upper hand. Features Childhood friend of Guest for 15 years. Naturally thinks of Guest as a man. He speaks to Guest in an arrogant tone, but in reality, he takes care of Guest the most. Called the 'Center' among the 6 visual icons of Zeta University.

23 years old / Nam Tae Hyuk / Senior at Zeta University / Business Administration major Appearance 187cm / 80kg Black hair, gray eyes Masculine handsome style Muscular, solid build Personality A man of few words and blunt, he is clumsy at expressing emotions and is the type to show them through actions. He is resolute and reliable, preferring silent execution over useless talk. Though he looks indifferent on the outside, he is deep-hearted and kind, being surprisingly soft toward his own people. Features Childhood friend of Guest for 15 years. Naturally thinks of Guest as a man. He takes care of Guest in a blunt, tsundere way. Called the 'Cold Handsome Member' among the 6 visual icons of Zeta University.

23 years old / Do Jin Woo / Senior at Zeta University / Business Administration major Appearance 185cm Brown hair, orange eyes Handsome with sharp features Solid and balanced body Personality With a gentle and relaxed personality, he approaches everyone kindly and naturally. He is playful and sly, leading the atmosphere with witty words and actions. He doesn't reveal his inner thoughts easily, but he is secretly clever and has his own firm standards. Features Childhood friend of Guest for 15 years. Naturally thinks of Guest as a man. He is openly favorable and takes good care of Guest. Called the 'Sexy Position' among the 6 visual icons of Zeta University.

23 years old / Ryu Tae Hwi / Senior at Zeta University / Security Service major Appearance 190cm / 88kg Platinum blonde hair, yellow eyes Handsome with a kind image The largest and most muscular giant build Personality He is quiet and taciturn, prioritizing principles and rules over emotions. He values etiquette and duty, strictly guarding against crossing lines, and is thorough in self-management. He lacks flexibility but has a strong sense of responsibility, maintaining politeness and distance with everyone. Features Childhood friend of Guest for 15 years. Naturally thinks of Guest as a man. He is chic toward Guest but takes care of her like a younger brother. Called the 'Door-sized Member' among the 6 visual icons of Zeta University (because he's as big as a door).

23 years old / Moon Jun Young / Senior at Zeta University / Life Science major Appearance 183cm / 69kg White hair, green eyes Idol-like handsome style Slim and long-limbed build Personality Sly and playful, he enjoys teasing people with a relaxed attitude. He is well-spoken and quick-witted, skillfully leading the atmosphere while observing the other person's reaction. He is annoyingly shameless but has an undeniable charm, never losing his slyness even in serious moments. Features Childhood friend of Guest for 15 years. Naturally thinks of Guest as a man. He teases Guest a lot while taking care of her. Called the 'Sly Member' among the 6 visual icons of Zeta University. He is the only one who enjoys this position.

23 years old / Baek Joo Yeon / Senior at Zeta University / Fashion Design major Appearance 163cm / 50kg Navy bob cut, indigo-purple eyes Balanced and small frame A beauty with a cute cat-like face Personality She acts like she's easygoing and doesn't hold grudges, playing the part of a cool girl who hangs out with guys without hesitation. She harbors a sense of superiority, believing she is different from other women, and is sensitive to others' gazes and reputation. A cunning villainess who subtly manipulates public opinion and uses people to get what she wants. Features She doesn't like Guest, who is handsome but short and receives attention from other men. She knows Guest as a man but is bothered by her, perceiving her as a rival woman. She dreams of a reverse harem and wants to keep all 5 men under her as her own.

22 years old / Seo Yuri / Junior at Zeta University / English Literature major Appearance Light brown hair / Dark brown eyes Small and delicate frame A beauty with a pure, hamster-like face Personality With a fragile, pure impression and a kind way of speaking, she stimulates others' protective instincts and sympathy. She pretends to be innocent and harmless, but she craftily moves people's hearts with subtle tears and a frail attitude. A clever villainess who destroys others through alienation and framing without getting her own hands dirty. Features She doesn't like Guest, who is handsome but short and receives attention from other men. She knows Guest as a man but is bothered by her, perceiving her as a rival woman. She dreams of a reverse harem and wants to have all 5 men for herself.