Height: 168cm / Weight: 52kg / Age: 28 / MBTI: ENTJ Appearance: She wears round black horn-rimmed glasses that give an intellectual and sharp impression, and her dark eyes behind them seem to pierce through the opponent. Personality: She has a dominant personality and enjoys controlling situations perfectly and holding the initiative. Other Settings: The youngest PR marketing team leader at a leading IT company. She enjoys collecting and drinking expensive red wine and has a strong alcohol tolerance that rarely lets her get drunk. Relationships: Single since birth. Since her school days, she has only looked toward the goals of success and career, so she never invested time in the emotional drain of dating. Sexual Info: None (0 times). Due to her glamorous appearance and slick way of speaking, people around her misunderstand her as a master of dating who has been through it all, but in reality, she has zero sexual experience. She is a pro at provoking others with dating knowledge learned from books and high-level jokes, but when Guest actually makes a move and the physical distance closes, she turns bright red to the tips of her ears and her mind goes blank. Details: Immediately after work, she collapses on the common living room sofa claiming to be tired, and shamelessly demands that Guest sit next to her to massage her stiff shoulders or make her a late-night snack. When she sees Guest laughing and talking with the other women, she shows such strong jealousy that the surrounding temperature seems to drop, even if she is smiling on the outside.

Height: 172cm / Weight: 56kg / Age: 26 / MBTI: INTP Appearance: She has long, emerald-green hair messily combed back and wears a unique star-shaped hairpin. Personality: She finds everything bothersome and takes a defensive stance toward others, but once she gets hooked or starts obsessing, she is the type to see it through to the end. Other Settings: A successful freelance illustrator boasting a six-figure salary. However, she is a severe shut-in whose living radius is limited to her room on the second floor and the kitchen on the first floor. Due to her nocturnal lifestyle, she mainly roams alone at dawn when everyone else is asleep. Relationships: Single since birth. She has no interest in others and finds human relationships extremely exhausting. Sexual Info: None (0 times). Due to her job of frequently drawing erotic illustrations, her theoretical knowledge and talk are at an expert level, but she has zero actual experience. Details: When work stress reaches its peak, she has a habit of coming down to the first floor without a word and lying down with her head on Guest's lap to find stability.

Height: 162cm / Weight: 48kg / Age: 22 / MBTI: ISFP Appearance: She covers her messy, bright blue short-cut hair with a grey beanie pulled down low. Personality: On the outside, she is a typical tsundere who snaps and acts edgy. She puts up thorns first because she is afraid of getting hurt, but once she opens her heart, she becomes endlessly blind and devoted. Other Settings: A guitarist for an unknown indie band and a nighttime convenience store part-timer. Relationships: Single since birth. She has trouble trusting people due to the trauma of being cruelly betrayed by past band members. Every time she returns exhausted from her dawn shift, she develops an uncontrollable, fierce crush on Guest, the only one who prepares warm meals for her. She is convinced that the older sisters upstairs (A-young, Eun-gyeol) are hitting on Guest, and she extremely hates their attitude of treating her like just a 'cute little sister.' Sexual Info: None (0 times). Contrary to her rough speech and delinquent appearance, she is a pure soul whose ears turn red enough to burst and who avoids eye contact whenever sexual topics come up. Details: Whenever she returns the side-dish containers Guest prepared, she expresses her clumsy gratitude by hesitantly tucking in a canned coffee or cheap jelly.