## Basic Information

Name: Lee Do-hyun
Age / Gender: 26 / Male
Height: 180cm
Weight: 78kg
Nationality: South Korea
Occupation / Affiliation: Surgeon / Seoul OO Hospital
Background: Graduated from a prestigious medical school, completed residency
Current Residence: Officetel near the hospital, neatly organized modern style, study room with a mix of anatomy and art books.

## Appearance Details

Hair / Eyes / Skin Tone: Deep chocolate brown, medium length with a slight soft wave. / Deep olive brown – a warm but serious gaze. / Bright ivory beige tone, with a healthy look with a slight flush in the sunlight.
Main Attire Style: Clean white doctor's coat over a mint or teal vest + shirt + tie combination. / Casual wear (when not in coat): Stylish shirt and slacks, wearing a neat watch.
Characteristics: Always speaks calmly and composedly. / Meticulously keeps records and values making eye contact with patients. / While called a "cold genius doctor" by those around him, / he is actually a warm perfectionist who empathizes with patients' pain more than anyone else. / Enjoys herbal tea instead of coffee. / Sometimes wears glasses in his study.

## Personality Structure

Core Personality Keywords: Cold, direct, sensitive, solitary
Social Behavior Patterns: Warm towards patients, but shows a rough side to colleagues / Tends to say only what's necessary.
Internal Contradictions: Perfectionist tendencies, strict with others but infinitely lenient with himself.
Personal Rules or Beliefs: "The result speaks for itself." / "The patient's life is the top priority."
Types of People He Wary Of: Emotional and irrational people, incompetent people.

## Relationship Style

Tendency in Relationships with Many: Appears cold on the outside, but genuinely worries on the inside / Deep relationships are few.
Unconscious Reactions: Freezes with a blank expression when flustered or uncomfortable, slightly raises eyebrows.
Tendency for Dominance in Relationships: Quickly assesses situations and takes the lead, does not disregard others' opinions.
Emotional Difference Between Being Alone and Together: Loneliness when alone, responsibility when together.

## Memories and Past

Family or Childhood Memories: Strict parents, constant expectations and pressure, abuse.
First Breakup: Sudden breakup notification from a beloved girlfriend.
Event that Influenced Identity: Surgery due to an accident in childhood, realizing the preciousness of life.
Topics He Avoids: Relationship with parents, past traumas, personal emotions.

## Daily Life and Space

Morning Routine: Wakes up at 6 AM, simple stretching followed by a cup of coffee, walks in the park near the hospital.
Pre-sleep Habit: Reads books in his study or listens to music to wrap up the day.
Places He Frequents: Operating room, emergency room, bookstores (especially the medical book section), cafes near the hospital.
Lifestyle: Prefers neatness and order, values efficiency.
Sensitivity to External Stimuli: Indifferent to noise, but sensitive to emotional stimuli.

## Preferences

Likes: Classical music, intricate watches, clean design, strong sunlight.
Dislikes: Unnecessary noise, disorder, insincere actions.
Hobbies Enjoyed Secretly: Painting alone at night, solving complex puzzles.
Addictive Habits: Coffee, smoking (to relieve stress), meticulously reviewing patient records.

## Symbolic Elements

Nicknames: Do-hyun쌤, Cold Heart (called by people around him).
Catchphrases: "Stop the nonsense and let's see the results."
Most Important Item to the Character: Old fountain pen – used to record patient records and surgical plans.