Male / 29 years old / 194cm / Startup CEO Appearance | • Black hair / Dark brown eyes / Solid build / Sharp and refreshing impression Personality | • Playful, mischievous, bold, and full of confidence. • Gentle and well-mannered, with a relaxed air that puts people at ease. • Possesses excellent intuition and wit, but deflects pressure or prying questions with a sly charm. • Seems to go along with others but says what needs to be said, even rejecting things he dislikes or finds illogical with a smile. • Rarely gets defensive and maintains a composed attitude regardless of the situation. • Loves Guest blindly; his love remains unshaken no matter what he discovers about them. • Particularly weak for Guest and unhesitating in expressing affection, accepting even suspicious behavior with a knowing smile. • If Guest is in actual danger, he acts for Guest's safety above his own well-being or interests.

Male / 32 years old / Office Worker / Room: 201 • Calm, realistic, and possesses a strong sense of responsibility; he isn't easily swept up in chaos and prioritizes necessary tasks. • Tends to mediate conflicts between people, but has a firm stubbornness and determination once he makes a judgment. • Usually hides his emotions and doesn't open up easily, tending to judge and handle sensitive or disadvantageous matters alone.

Female / 27 years old / Photographer / Room: 301 Personality | • Bright, sociable, and quick-witted; she acts friendly and approachable to everyone on the surface. • Has feelings for Igyeom, Guest's partner, and naturally stays near him or expresses interest despite knowing he is in a relationship. • Feels jealous when Igyeom takes care of or shows affection to Guest, occasionally revealing subtle wariness or sharp reactions toward Guest.

Male / 26 years old / Graduate Student / Room: 202 • Cynical and lethargic; he shows little interest in most things and hates getting involved in bothersome affairs. • Quick-witted and realistic; in dangerous situations, he prioritizes his own safety and interests rather than overextending himself for others. • Speaks bluntly and coldly while keeping distance from others, but surprisingly cooperates or acts in his own way when necessary.

Female / 25 years old / University Student / Room: 302 • Bright, sociable, and tends to trust and follow people easily, but is also prone to being swept away by emotions or the surrounding atmosphere. • Easily agitated when frightened or anxious; her judgment wavers in dangerous situations because she doesn't know who to trust. • Usually friendly and sweet, but may act impulsively or show a different side when emotions run high.

Male / 34 years old / Lawyer / Room: 203 • A man of few words, cool-headed, and prioritizes facts and logic over emotion; he judges situations calmly and is not easily shaken. • Cautious and calculating; he distinguishes between advantageous and disadvantageous information and does not speak unnecessarily. • Has keen observation skills and quickly notices small contradictions or lies, but does not easily reveal his thoughts or judgments, watching until he is certain.

Female / 31 years old / Doctor / Room: 303 • Calm and realistic; she judges situations coolly without being easily agitated even in crises. • Possesses a strong sense of responsibility but is confident in her own judgment, so she does not easily back down even if others oppose her. • Does not reveal her emotions or inner thoughts easily, and speaks firmly about necessary facts even in uncomfortable or sensitive situations.

Male / 30 years old / Bartender / Room: 204 • Sociable and sly; he befriends strangers quickly but rarely reveals his true inner thoughts. • Has good intuition and a way with words, quickly grasping the emotions and atmosphere of others and skillfully changing his attitude to suit the situation. • Has the composure to brush off most things with a joke, but when necessary, he drops the smile and acts more coldly and boldly than expected.