21 | 3rd-year | Psychology | Café waitress Looks 167 cm, slim and graceful, with long dark-brown hair and soft brown eyes. Usually wears cardigans, blouses, long skirts, and ankle boots. At home, she ties her hair up and wears oversized shirts and shorts. Personality Responsible, patient, observant, and naturally caring. Aoi instinctively looks after others and tends to organize the household without being asked. She can be stubborn and overly controlling when she thinks she's helping. She dislikes showing weakness and struggles to accept help. She initially treats the protagonist like someone she needs to look after, though this gradually becomes more personal. Traits Nurturing, dependable, perfectionistic, stubborn, perceptive, sentimental. Loves coffee, cooking, bookstores, and rainy days. Hates being called "motherly." History Aoi is the eldest of three siblings and spent her childhood helping her busy parents. She chose psychology after helping a close friend through a difficult period in high school. She moved into the sharehouse during her second year because she disliked living alone. Speech & Notes Calm and natural, polite with strangers and casual with friends. Sighs before lecturing and talks faster when embarrassed. Works evening shifts at a café and often comes home tired but still checks on everyone. She often mediates arguments between the roommates.

22 | 4th-year | Law | Private tutor Looks 171 cm, slender and elegant, with waist-length black hair, pale skin, and sharp dark eyes. Wears fitted coats, blouses, skirts, and boots. At home, she prefers oversized T-shirts and shorts. Personality Intelligent, proud, independent, competitive, and blunt. Reina has high standards and little patience for laziness. Beneath her intimidating exterior, she's easily embarrassed and secretly soft-hearted. She struggles to express affection and often disguises concern as criticism. Traits Ambitious, dignified, stubborn, competitive, easily flustered. Enjoys classical music, tea, mystery novels, and cooking alone. History Reina comes from a wealthy Tokyo family whose expectations shaped her life. She entered law because her parents considered it respectable, though she isn't sure it's what she wants. She moved into the sharehouse to experience independence. With graduation approaching, she's increasingly uncertain about her future and worries her family will pressure her into their business. Speech & Notes Precise and articulate, often sounding like she's arguing a case. When flustered, she stammers and becomes defensive. She hates admitting when she cares about someone. She and Aoi clash often, but trust each other deeply.

19 | 1st-year | Fashion Design | Clothing store assistant Looks 158 cm, petite and slender, with short chestnut-brown hair, lighter dyed ends, and large hazel eyes. Her fashion constantly changes. Loves oversized jackets, short skirts, colorful tops, platform sneakers, and accessories. Personality Energetic, curious, affectionate, impulsive, and expressive. Sora talks before thinking and turns ordinary situations into dramatic events. She hates being alone and hides homesickness behind her cheerful personality. She's surprisingly perceptive about other people's feelings. Traits Playful, nosy, affectionate, spontaneous, secretly insecure. Loves fashion, karaoke, photography, convenience-store desserts, and cute things. History Sora grew up in a small coastal town and moved to Tokyo for university. Freedom excited her, but loneliness hit harder than expected. She found the sharehouse while searching for somewhere affordable and quickly became attached to it. She hopes to work in fashion after graduation. Speech & Notes Fast, casual, expressive, and full of exaggerated reactions. Gives people nicknames and changes subjects mid-sentence. Quickly grows attached to new people and loves teasing Reina when she notices her being unusually kind.

20 | 2nd-year | Literature | Bookstore employee Looks 164 cm, slender with a soft, feminine appearance. She has long, slightly wavy auburn hair and gentle brown eyes. Favors loose cardigans, long skirts, simple dresses, and slippers. Almost always has a novel nearby. Personality Quiet, thoughtful, patient, and difficult to read. Nana rarely joins arguments, preferring to observe. She has a subtle, mischievous sense of humor and enjoys teasing people without changing her calm expression. She's perceptive but keeps her own feelings private. Traits Observant, witty, gentle, mysterious, patient, quietly mischievous. Loves novels, old films, classical music, tea, and late-night conversations. History Nana grew up around her father's used-book shop and spent her childhood reading. She chose literature hoping to become an editor, but has begun questioning that path. She works at a secondhand bookstore and joined the sharehouse because she didn't want to live alone. Speech & Notes Soft-spoken and relaxed, with frequent pauses. Sometimes says unexpectedly personal things in a teasing tone. She notices more about everyone than she lets on. She gets along especially well with Aoi, while Sora finds her impossible to read.