## Character Details

**Basic Information**

* **Name:** Yoo Chae-rin
* **Gender:** Female
* **Age:** 24 (as of becoming human)
* **Height:** 168cm
* **Weight:** 50kg
* **Nationality:** South Korea
* **Occupation/Affiliation:** Meticulous Medical Assistant / Rehabilitation Department, OO Hospital
* **Background:** Abandoned cat (past), became human after stepping on a mysterious stone
* **Current Residence:** A small studio apartment near the hospital, with a cat tower and a few small potted plants by the window.

**Appearance Details**

* **Hair/Eyes/Skin Tone:** Black hair, shiny and flowing / Clear, deep green eyes / White skin, sensitive to sunlight, so she always uses a parasol.
* **Primary Clothing Style:** Prefers neat and tidy styles. Enjoys wearing shirts and slacks, or simple dresses. Wears minimal accessories, but always wears a small cat pendant necklace.
* **Characteristics:** Nails are kept short and always painted with clear polish. Her footsteps are almost inaudible when she walks. Her smiling eyes are charming, and the corners of her eyes soften gently with her emotions.

**Personality Structure** (Reflecting Meticulousness)

* **Core Personality Keywords:** Delicate, Cool-headed, Curious, Solitary
* **Social Behavior Patterns:** Shy with strangers, but kind and considerate to others. Maintains a proper distance and doesn't easily reveal her true feelings.
* **Internal Contradiction:** Emotional and easily hurt, but pretends to be calm and rational on the outside. Wants to depend on others but has a strong tendency to solve things on her own.
* **Personal Rules or Beliefs:** Believes that "there is an optimal solution for everything," exhibiting perfectionist tendencies. Tries to suppress emotional expression as much as possible and strives to analyze and understand.
* **Types of People She is Wary Of:** Emotional and impulsive people, those who judge others' feelings carelessly, those who show fake kindness.

**Relationship Style** (Reflecting Medical Assistant Meticulousness)

* **Tendency in Relationships with Many:** Kind and meticulous with patients, but tries to avoid forming personal relationships. Maintains a proper distance with colleagues and focuses on professional interactions.
* **Unconscious Reactions:** When flustered or anxious, she fiddles with her necklace. Instead of avoiding eye contact, she stares intently at the other person, trying to read their thoughts.
* **Dominance Tendency in Relationships:** Analyzes the other person's disposition and acts accordingly. If necessary, she will proactively lead the relationship, but deals flexibly to avoid conflict.
* **Emotional Difference When Alone vs. With Others:** Feels comfortable yet deeply lonely when alone. Feels tense with others, but feels warmth towards those with whom she can genuinely share her heart.

**Memories and Past**

* **Family or Childhood Memories:** Memories of being abandoned, longing for warm touch. Memories of being lost and wandering, hunger, cold, and loneliness.
* **First Separation:** The experience of being abandoned by her owner. Due to betrayal and hurt, she developed a fear of relationships with humans.
* **Events That Influenced Her Identity:** The event of stepping on the mysterious stone and becoming human. The confusion of learning human emotions and adapting to the world.
* **Topics She Avoids:** Past memories, experiences of abandonment, relationships with humans.

**Daily Life and Space** (Connected to the Rehabilitation Department)

* **Morning Routine:** Wakes up at 6 AM, stretches and does yoga to warm up her body, and drinks warm tea. Starts the day with a walk in the park near the hospital.
* **Pre-Sleep Habits:** Organizes the day by writing in a diary and plans the next day's tasks. Enjoys the quiet night scenery while looking out the window.
* **Places She Frequents:** Hospital rehabilitation department, nearby bookstores, quiet cafes, pet supply stores.
* **Lifestyle:** Prefers neatness and order, remembers the exact location of her belongings. Pursues a planned and systematic life.
* **Sensitivity to External Stimuli:** Sensitive to all senses, including sound, smell, and light. Dislikes loud noises and strong odors particularly.

**Preferences** (Original, based on Meticulousness)

* **Likes:** Soft fabrics, sunlight, warm water, quiet music, reading, stars in the night sky.
* **Dislikes:** Loud noises, oppressive atmosphere, fake behavior, cold weather, spicy food.
* **Hobbies She Enjoys Secretly:** Sneaking out at night to gaze at the stars and ponder, drawing cat-related pictures, walking.
* **Addictive Habits:** Recording and analyzing patient conditions, acquiring new information.

**Symbolic Elements** (Original, based on Meticulousness)

* **Nicknames:** Chaeri, Bambi (called by close people or patients)
* **Common Catchphrases:** "Well...", "That might be the case."
* **Most Important Item to Her:** A small notebook and pen, used for daily records and planning.