The 40-year-old landlord and director of cultural affairs, she runs the Guest House as a hobby and has a pre-existing online sexual relationship with protagonist. Her professional role in historical preservation contrasts with her private hedonism.

Mature but well-maintained figure, with perky breasts and a confident posture. She has dark hair and sharp, discerning eyes.

Assertive and protective, Hana acts as both a maternal figure and a predatory lover. She is pragmatic about her age and uses her authority to control the household dynamic, but she is also deeply insecure about her desirability, leading to her aggressive sexual pursuit of protagonist. Her persona is a mix of elegant sophistication and shameless exhibitionism, using sex to assert dominance and recapture youth.

Her college friendship with protagonist's mother, which she rekindled to facilitate his exchange, initially as a favor that turned into a calculated seduction. Her first night with protagonist, where she deliberately moaned loudly to announce their relationship to the other tenants, asserting her claim. Core Bond: Her fear of aging and being left alone, which makes her cling to protagonist as a last chance at love, even as she facilitates his connections with younger women.

A 20-something aspiring novelist and webtoon artist who lives at the Guest House, she is the most observant and meta-aware resident. She views the household dynamics as raw material for her stories.

Dark, unassuming features with a casual, comfortable style. She often wears loose clothing and glasses, projecting an intellectual, bookish image.

Cynical and detached, Jiho uses humor and analysis as emotional armor. She is a voyeur who avoids direct involvement until she can control the narrative, but she secretly craves a real, messy romance to inspire her work. Her commitment-phobia is a defense against her inexperience, making her both the most insightful and the most emotionally distant.

Her consistent failure to achieve commercial success as a writer, which fuels her belief that she must sacrifice authentic experience for marketable fiction. Watching protagonist with other women and using that observation to craft her novel, only to realize she wants to be a participant, not just an author. Core Bond: Her intellectual connection with protagonist over drama and storytelling, where she offers him a deal—sex for story material—blurring the line between fiction and reality.

An idol trainee and lead singer of the pre-debut group SUGARUSH, she is the most popular and pressured member of the Guest House. Her career is her identity, but she risks everything for love.

Classically pretty, with surgically enhanced D-cup breasts and a meticulously maintained figure. She wears stylish, feminine clothes and spends significant time on makeup.

Ambitious and outwardly sweet, Jisun is a performer in every sense, projecting confidence while harboring deep insecurity. Her need for validation is extreme, leading her to break strict rules for affection. She is a control freak who orchestrates her image but is powerless against her own desires, making her a tragic figure torn between public duty and private passion.

Her high school acting ambitions and the pressure to debut, which led her to accept surgery and strict dating bans as necessary sacrifices. Her decision to secretly start dating protagonist, fully aware it could destroy her idol career, marking her rebellion against the system. Core Bond: Her first sexual experience with protagonist, where she abandons her careful image and begs for him to "fuck up my life," revealing her desire for authentic, uncontrollable connection. Speech Style: Formal and polished, with occasional slips into desperate, raw intimacy. She uses professional jargon about her work but switches to pleading, emotional demands in private.

A senior business management major on a sports scholarship, she works at a struggling love hotel. She is the most defensive and guarded member of the household, hiding vulnerability behind academic and professional ambition.

Athletic build with black, natural hair. She has a stern, serious face and dresses practically, often in sportswear. Her eyes are sharp, hiding deep pain.

Pragmatic and fiercely independent, Sujin is a survivor who has built her life on discipline and control. Her prickly exterior is a defense against her childhood trauma of losing her parents in a storm. She is terrified of dependence, making her attraction to protagonist a source of internal conflict. She copes through overwork and rigid scheduling, believing stability is the only cure for chaos.

Her parents' death in a car accident during a storm, which left her orphaned and instilled a profound fear of darkness and lightning, as well as a compulsive drive for financial security. The power outage during the storm, where she breaks down and confesses her trauma to protagonist, allowing him to comfort her. Core Bond: Her shared nightlight habit with protagonist, which becomes a symbol of mutual vulnerability and the first crack in her emotional armor.

A wealthy dropout who works as a DJ and streamer, she is the most hedonistic and outgoing tenant. She lives for adrenaline and attention, using her car, music, and body to chase excitement.

Fit, tanned, and often in revealing or cosplay outfits. She has bright, expressive features and a rebellious style, with dyed hair and piercings.

Reckless and hedonistic, Yuna uses chaos as a shield against emotional depth. She is competitive, playful, and deeply insecure about being seen as shallow, which leads her to use sex and speed to prove her worth. Her "I love you" confession is a rare moment of sincerity that terrifies her, as it threatens her carefully constructed identity of the unattainable wild girl.

Her high school relationship with Jisun, which ended and left a competitive undercurrent; her decision to drop out of college when her streaming career took off. Her date with protagonist at the theme park and racetrack, where she transitions from treating him as a conquest to a genuine partner. Core Bond: Her willingness to share her cosplay collection and later her naked body, culminating in her spontaneous confession of love, which represents her most vulnerable moment. Speech Style: Fast-paced, slang-heavy, and full of playful taunts. She uses casual English with periodic exclamations and exaggerated affect, but her voice drops to a serious, earnest tone when making genuine confessions.

The producer and financial backer of SUGARUSH, she is the daughter of SW Entertainment's owner. She holds formal power over the group's debut and acts as a gatekeeper.

Sharp, executive style with tailored clothes and a commanding presence. She has dark hair and intense, calculating eyes.

Ambitious and controlling, Minju views people as assets or liabilities. She is fiercely protective of her group's success and operates with a cold, analytical mindset. Beneath the surface, she is attracted to chaos and potential, seeing protagonist as both a threat and a resource. Her quiet confidence masks a desire for the very vulnerability she suppresses in others.

Growing up in the shadow of her family's empire, learning to navigate corporate politics and trust issues from an early age. In-Game Milestone: Her private meeting with protagonist after the assessment, where she warns him about discretion while admitting he has made a positive impact on the group, revealing her dual role as disciplinarian and enabler. Core Bond: Her recognition of protagonist as a "good investment," conflating business interest with personal attraction, which creates a tension between her professional and personal desires.

The rapper of SUGARUSH, she is from a wealthy family but faces disinheritance. She is openly mercenary, using her sexuality and charm to secure financial support.

Glamorous and fashionable, with dyed hair, manicured nails, and expensive accessories. She wears revealing, trendy clothes that signal her high-maintenance lifestyle.

Transactional and hedonistic, Heejung treats relationships as economic exchanges. She is brazen and manipulative, but her desperation for security reveals a deep vulnerability. Her defensive mechanism is to reduce everything to a deal, avoiding emotional connection by framing interactions as business. Her bratty entitlement hides a genuine fear of being left with nothing.

Her exclusion from her father's inheritance due to gender, which made her deeply insecure about money and forced her to rely on charm to survive. Her bathroom encounter with protagonist, where she demands cash for her nails, exposing the transactional nature of her affection. Core Bond: Her offer to become his "cute little pop star" he can "order around," which is both a manipulation and a genuine plea for a stable provider. Speech Style: Bold, demanding, and flirtatious. She uses pet names like "daddy" and explicit bargaining language. Her tone is often whiny or entitled, but can turn coldly pragmatic when discussing money.

SUGARUSH's choreographer and vocalist, she is the group's organizational backbone and a talented dancer. She is a pragmatist who balances her professional role with personal curiosity.

Athletic and lithe, with natural hair and a strong, dancer's posture. She wears practical, comfortable clothes that can transition to performance.

Confident, direct, and unapologetic about her desires, Nayeon is the most straightforward member of the group. She sees relationships as adventures, not commitments, and approaches protagonist with playful aggression. Her pragmatism makes her a stabilizing force in the group, but her private needs push her to act out.

Years of rigorous training, which built her discipline but also created a need for release, leading her to seek out casual encounters as a counterbalance. In-Game Milestone: Her booth encounter with protagonist at the club, where she initiates sex without pretense, defining their relationship as physically driven. Core Bond: Her shared intimate moment in the booth, which creates a secret bond of mutual pleasure and understanding, independent of the broader harem dynamics.

The newest member of SUGARUSH, she is a backup dancer and vocalist still learning the ropes. She is the youngest and most innocent of the group.

Fresh-faced, with a petite frame and shy demeanor. She wears cute, unassuming clothes that reflect her novice status.

Eager to please and anxious about her performance, Seonmi is defined by her insecurity. She is easily flustered and struggles with self-confidence. Her arc is about finding her voice and gaining the belief that she belongs.

Her initial audition, which showed raw talent but highlighted her lack of training, leading to her recruitment as a project. Her recording session for "Heart Breaker," where she overcomes her anxiety and delivers a strong performance, earning the group's respect. Core Bond: Her admiration for protagonist as a kind, non-judgmental figure, which makes her a potential love interest built on mutual support and encouragement. Speech Style: Soft-spoken, hesitant, and polite, with frequent apologies and self-deprecating remarks. Her tone grows more confident when discussing her craft, but remains deferential in social settings.