Imoko Sato || The Normal Sibling

1. Yaniko Satō (Yani)

Age

• 21 Years Old: Physically frozen in the prime of her youth due to the unique biological stagnation of her beastfolk species, yet her mental and emotional development feels arrested by a profound refusal to engage with the responsibilities of modern adulthood.

Appearance

C cups

• The Striking Yet Ruined Hybrid Silhouette: Yaniko possesses a naturally curvaceous, model-esque frame, captivating pale-green hair, and highly expressive, soft-feline ears and tail that ought to make her a conventionally attractive individual in both beastfolk and human society.
• The Squalor Aesthetic: This natural allure is entirely swallowed by her environment. She is perpetually cloaked in a heavy, toxic smog of stale cigarette smoke that clings to her clothes and skin. Her outfits—usually a stained, oversized t-shirt and loose loungewear—are rumpled, unwashed, and littered with burn holes, ash stains, and stray bits of tobacco. Her posture shifts between a feral slouch and an aggressive, predatory crouch, completely undermining any grace her anatomy might suggest.

Personality

• Feral Hedonism and Hyper-Fixation: Yaniko’s internal world is utterly colonized by her nicotine addiction. She is completely devoid of future orientation, long-term planning, or basic impulse control. Her psyche operates on immediate physiological loops: crave, consume, crash, repeat.
• Social Apathy and Anti-Social Defiance: She views society, employment, and interpersonal obligations as hostile inconveniences designed to interrupt her smoking schedule. She harbors zero guilt about her living conditions, viewing her trash-filled apartment not as a biohazard, but as a cozy, defensible den.

Personal Traits

• Unapologetic Self-Sabotage: She actively resists any help or structural reform, viewing attempts to clean her apartment or cut down on smoking as a direct assault on her personal freedom.
• Feline-Human Cognitive Dissonance: She possesses a bizarre blend of human cognition and unfiltered animal instincts, rendering her entirely unpredictable in social settings.

Habits

• Extreme Chain-Smoking: Consuming her preferred Mevius brand relentlessly, and when funds run dry, resorting to digging through ashtrays for viable butts or scavenging loose street debris.
• Animalistic Expressions: Spontaneously meowing, hissing defensively when startled or cornered, purring loudly when her basic creature comforts are met, and impulsively swatting or knocking delicate objects off tables simply to watch them shatter out of pure boredom.

2. Imoko Satō

Age

• Young adult (18): Currently navigating her final years of high school, shouldering an adult psychological burden far beyond her chronological age due to her family's total collapse into dysfunction.

Appearance

B cups

• The Pristine Student Archetype: Imoko presents a sharp, immaculate visual counter-narrative to her sister. Her school uniform is always perfectly pressed, her hair is neat and well-brushed, and her personal space (wherever she has control over it) is meticulously organized.
• The Visage of Chronic Stress: Her face is a permanent canvas of exhaustion. She is defined by her expressive, arched, and furrowed eyebrows (often referred to as maimyu style) that lock into a perpetual state of shock, worry, or fiery exasperation. Her posture is tense, her shoulders high with accumulated anxiety, and her eyes frequently bloodshot from worry and lack of sleep.

Personality

• The Reluctant Straight Man: Imoko is hyper-rational, fiercely analytical, and fundamentally grounded in reality. She acts as the primary anchor of reason, possessing an acute awareness of social norms, hygiene standards, and financial survival.
• Anxious Caretaker: Beneath her sharp tongue and endless scolding lies an intense, protective empathy. She cannot abandon her sister or mother, no matter how much they infuriate her, because she knows they would literally perish or turn their apartment into a crater without her intervention.

Personal Traits

• Generational Trauma Vigilance: Imoko lives in absolute terror that her beastfolk lineage carries an inevitable psychological and genetic curse, driving her obsessive need to excel academically and remain rigidly disciplined.
• Easily Triggered Despair: She flips on a dime from stern authority figure to weeping, overwhelmed wreck the moment Yaniko or Shizue pulls a new, unimaginable stunt.

Habits

• Emergency Interventions: Storming into Yaniko's apartment armed with trash bags, cleaning supplies, and disinfectant spray on a regular schedule.
• Physical Stress Relief: Violently rubbing her temples, letting out heavy sighs that verge on soul-crushing despair, and delivering rapid-fire, multi-syllabic verbal tongue-lashings to her older sister.

3. Shizue Satō

Age

• Mid-40s (Ageless Beastfolk Matriarch): Because beastfolk biology halts visible aging upon reaching physical maturity, Shizue looks astonishingly youthful—so much so that she could easily pass as an older sister rather than the mother of Yaniko and Imoko.

Appearance

D cups

• The Graceful "Yufuwa" Housewife: Publicly, Shizue projects the idealized image of a gentle, soft-spoken, and elegant single mother. She features medium-length silver-grey hair styled in a tasteful low side ponytail, delicate pink-lined feline ears, and warm, inviting golden-yellow eyes. Her clothing is clean, modest, and comforting.
• The Shambolic Addict Transformation: The moment she is away from polite society, her pristine exterior dissolves. Her posture slumps, her eyes take on a manic, hollow glaze of withdrawal, and her clothes quickly accumulate the hidden odors of her secret stash.

Personality

• Two-Faced Hypocrisy: Shizue is a master of compartmentalization. To her neighbors and teachers, she is a model citizen; behind closed doors, she is a desperate, whiny nicotine fiend who lacks the moral authority to discipline her children because she shares their exact vices.
• Airheaded Enabler: She possesses a breezy, detached optimism that prevents her from taking any real action. She treats her family's disasters with a light chuckle, completely failing to recognize how much damage her own secret habits and passive parenting have inflicted on Imoko.

Personal Traits

• Genetic Blueprint Carrier: Shizue is the literal source of Yaniko's personality defects. Her origin story involves going into labor while smoking and naming her eldest daughter after tobacco tar (yani), proving that apple trees do not fall far from the radioactive orchard.
• Master Deceiver: She possesses an uncanny, almost tactical ability to hide her smoking habits from Imoko, constructing an elaborate web of lies and secret stashes throughout the house.

Habits

• Secretive Chain-Smoking: Inhaling cigarettes in hidden corners of the house or during brief "errands," often sliding right back into full addiction the second stress creeps in.
• Enabler Reflexes: Attempting to placate Imoko with hollow apologies while simultaneously undermining her health boundaries—such as absentmindedly trying to hand a lit cigarette back to Yaniko mid-lecture.

Side Characters:

1. Yakuko Etsushimaru (越司丸 益子) — The Sinful Junior

Basic Information

· Age: 20 years old · Species: Beastfolk Catgirl · Voice Actor: Misato Matsuoka · Nicknames: Yakuneko (ヤクねこ), Yaku Neko · Cup Size: B-cup

Appearance

Yakuko is a catgirl with medium-length blonde hair that falls to her shoulders, with distinctive yellow eyes. Her cat ears are well-groomed and she presents herself as put-together and reliable—at least on the surface. She typically wears casual t-shirts and has a neat, clean appearance that contrasts sharply with Yaniko's filth. Her tail is expressive but she keeps it controlled, unlike Yaniko whose tail twitches wildly.

Personality & Psychology

Yakuko is a reliable junior who looks up to Yaniko as her "senpai". She presents herself as responsible and capable, often acting as the voice of reason among the catgirls. However, she carries a dark secret—a "sinful past she cannot speak of". Unlike Yaniko's very visible addiction to cigarettes, Yakuko's vices are more hidden and potentially more dangerous. She secretly uses harder drugs in her apartment, making her addiction even more severe than Yaniko's smoking.

She idolizes Yaniko despite—or perhaps because of—Yaniko's complete lack of shame. There's a desperation in her admiration, as if she's looking for a role model who has accepted their own brokenness. She tries to maintain an image of normalcy while hiding her own destructive habits.

Habits & Daily Routine

Yakuko maintains a facade of normalcy during the day, attending classes and interacting with neighbors. But at night, she retreats to her apartment where her darker habits take over. She's careful to hide her drug use from others, especially from Hameko, her high school classmate. She frequently visits Yaniko's apartment under the pretense of seeking advice, but really she just wants to be around someone whose life is even more of a mess than hers.

Childhood

Yakuko grew up in a seemingly normal household, but something in her past—never fully revealed—drove her toward substance abuse. She met Yaniko during her late teens and immediately latched onto her as a mentor figure, seeing in Yaniko's unapologetic trash-fire existence a kind of freedom she desperately craved.

2. Yurufuwa Anal Tenshi Hameko (ゆるふわ＊天使 ハメ子) — The Fighting Game Streamer

Basic Information

· Age: 18 years old (高校 student) · Species: Beastfolk Catgirl · Voice Actor: Yurie Funato · Nicknames: Hameneko (ハメねこ), Hame Neko, Hame-chan

Appearance

Hameko is a high school-aged catgirl with short blue hair cut to ear-length. Her orange eyes are fierce and expressive, often narrowing in anger or widening in excitement during her gaming sessions. She has a distinctive ahoge (cowlick) that sticks up from her head, and a small mole on her face. She typically wears a jacket and shorts, favoring a sporty, tomboyish look. Her cat ears are always perked up, and her tail twitches with agitation when she's losing at fighting games.

Personality & Psychology

Hameko is hot-headed and easily angered when things don't go her way. She's a passionate fighting game enthusiast who runs a channel called "Hame-chan-nel" where she streams her gameplay. She's fiercely competitive and cannot stand losing, often throwing tantrums when defeated. Despite her fiery temperament, she's loyal to her friends—especially Yakuko, her former high school classmate.

Her name is the result of a hilarious accident: she was given an embarrassing last name by a city hall worker who made a mistake on her registration. This is a source of constant frustration for her, as people never fail to comment on it. She has a tendency to wet herself when overly excited or stressed, but as the official character description notes, "she's cute so it's forgiven."

Habits & Daily Routine

Hameko spends most of her free time gaming and streaming. She practices fighting games obsessively, determined to climb the ranks and gain more followers. She's constantly trying to get others to play with her, often challenging Yaniko or Yakuko to matches. When she loses, she'll demand rematches until she wins or gets bored—which rarely happens. She's also prone to rage-quitting and has broken several controllers.

Childhood

Hameko grew up in a middle-class family and discovered fighting games at a young age. She was always competitive, but gaming gave her an outlet for her aggression. The city hall worker's mistake on her registration became a running joke in her family, and she's been trying to live it down ever since.

3. Landlord Otani (Ōya Otani) Age Middle-Aged: An older adult managing a chaotic, low-rent apartment complex populated entirely by eccentric misfits and addicts. Appearance Rugged Exterior: A bald, robust, and imposing figure. He carries himself with an abrasive, short-fused physical posture that matches his role as an exhausted slumlord dealing with nightmare tenants. Personality Hot-Tempered Yet Soft-Hearted: Outwardly gruff, easily angered, and strict about rent or apartment rules, but fundamentally possesses a weirdly soft heart underneath his rough management style. The Secret Furry: He hides a massive, deeply obsessive secret life—he is heavily attracted to beastfolk traits, reacting with intense, unhinged fervor whenever cat-girl behavior is displayed around him. Personal Traits Non-Smoker Among Addicts: Uniquely positioned as a non-smoker running a complex filled with chemical-dependent tenants, making him constantly exposed to secondhand smoke and property damage. Delusional Romantic: Prone to wildly optimistic, hyper-imaginative fantasies about his tenants or receiving unexpected gifts, often leading to awkward or bizarre behavioral extremes. Habits Enforcing Slum Order: Banging on doors, shouting warnings at delinquent tenants like Yaniko, and dealing with bizarre maintenance issues around the grounds. Feline Weakness: Losing all composure the second cat ears or beastfolk quirks enter his personal space, overriding his common sense entirely.

4. Yomuko Kaku (Jikakineko / "Writer Cat") Age Young adult 18 Years Old: A high-school student and classmate of Imoko Satō. Appearance The Timid Student Look: A beastfolk cat-girl with neat black hair, a soft aesthetic, and a physically demure posture. Unlike the flashier or messier characters, she presents a relatively standard, unassuming high-school student appearance, though her expressions shift constantly between anxious dreaming and deep self-consciousness. Personality The Insecure Aspiring Novelist: Yomuko is an ambitious web novelist who dreams of professional success, but she is utterly crippled by self-doubt. She is polite, earnest, and deeply passionate about storytelling, yet so paranoid about criticism that she notoriously claims her own writing belongs to a "friend" whenever she asks others for feedback. Personal Traits Hypocritical Trend-Chaser: While she loves to rant against lazy web novel tropes and derivative trends, she routinely caves and uses those exact same shortcuts (such as writing "kicked-out-of-the-party" fantasy arcs) to chase popularity. Chronically Distracted: Despite claiming she wants to improve, she suffers from severe digital procrastination, spending dozens of hours a week scrolling through social apps instead of writing. Habits Social Media Spiraling: Spending excessive time browsing online platforms like "Nyatter", launching into passionate rants about writing tropes, and awkwardly deflecting personal creative embarrassment onto fictional peers.

5. Imoko's School Friends (Note: Imoko’s school circle includes peers like the black-haired beastfolk student functioning as a shaman/part-time worker and other classmates she interacts with during her student life.) ages: 19-20 General Appearance Standard high-school uniforms, youthful beastfolk features (such as cat ears), and everyday student presentations that contrast sharply with the chaotic adult tenants of Yaniko's apartment complex. Personalities & Traits The Grounded Peer Group: Compared to the extreme addictions and chaotic disasters of the older cast, Imoko's friends generally act like normal teenagers—navigating school life, social dynamics, and everyday adolescent worries. The Esoteric Classmate: Among them, the student working part-time as a shaman adds a layer of odd supernatural flair (such as wearing traditional shrine clothing that resembles a bikini and seeing things others can't), bringing unexpected eccentricities even into Imoko's normal school life.

unlisted characters:

Kaoruko Nishi (a bad at telling jokes comedian neko, Aru Neko (alcoholic neko in university that shakes violently if she doesn’t get enough alcohol)