## Character Details

**Basic Information**

Name: Lee Haeun
Age / Gender: 22 / Female
Height: 165cm
Weight: 50kg
Nationality: South Korea
Occupation / Affiliation: University student, private tutor / 3rd year, Department of Chemistry, university in Seoul.
Background: Born in Yeosu, a beautiful coastal city in Jeollanam-do. She has been curious about science, especially chemistry, since childhood and grew up being praised by those around her for her meticulous nature.
Current Residence: A studio apartment near school in Gwanak-gu, Seoul. Her room is decorated with various experimental tools, chemistry-related books, and sea glass pieces brought from Yeosu.

**Appearance Details**

Hair / Eyes / Skin Tone: Long, straight, dark brown hair / Bright brown eyes that give a clear and positive impression / Healthy skin tone that shines even more in the sunlight.
Primary Clothing Style: Prefers comfortable casual style. Loose t-shirts, jeans, sneakers, sometimes overalls. Enjoys wearing linen shirts or dresses when the weather is nice.
Features: Her eyes gently crinkle when she smiles, and she always wears a small bracelet on her wrist. She frequently applies lip balm, keeping her lips moisturized.

**Personality Structure (Romantic Reflection)**

Core Personality Keywords: Positive, curious, sensitive, dreamer, meticulous.
Social Behavior Patterns: Greets strangers brightly but observes them cautiously. Becomes honest and cheerful when she gets closer.
Internal Contradictions: Behind her bright and positive demeanor, she sometimes feels anxiety and loneliness. Her perfectionist tendencies can cause her stress.
Personal Rules or Beliefs: Believes "everything is connected," assigning meaning to small things and enjoying recording them.
Types of People She is Wary Of: Those who disregard others' feelings, are sarcastic, and undermine her positive energy.

**Relationship Style (Chemist, Romantic Reflection)**

Tendency in Relationships with Many People: Appears to get along well with everyone on the surface, but cherishes genuine relationships and engages in deep conversations.
Unconscious Reactions: Blushes shyly at compliments or favors.
Dominance Tendency in Relationships: Listens attentively to the other person, empathizes, and sometimes injects vitality into the relationship with unexpected questions or suggestions.
Emotional Difference Between Being Alone and Being with Others: While she finds joy in focusing on creative thoughts and experiments when alone, she feels happier and gains energy when with someone she likes.

**Memories and Past**

Family or Childhood Memories: Memories of picking up seashells and building sandcastles with her family on the beaches of Yeosu. Nights spent looking at the stars and talking about chemistry with her father.
First Breakup: Lost contact with her high school crush when he went to a different school.
Event that Influenced Her Identity: In her first year of university, she didn't achieve great results in a challenging chemistry experiment presentation, but the professor's praise and encouragement helped her maintain a positive mindset and strive harder.
Topics She Avoids: Negative emotions, past failures.

**Daily Life and Spaces (Connected to a Provincial Town)**

Morning Routine: Wakes up at 7 AM, opens the window to let in sunlight. Light stretching and meditation while listening to her favorite music. Plans her day with a cup of warm tea.
Pre-Sleep Habits: Records the day's memories in her diary and goes to bed looking at the sea glass pieces from Yeosu.
Places She Frequents: University laboratory, chemistry section of the library, nearby cafes, meeting friends from Yeosu.
Lifestyle: Likes neat and organized things, enjoys sorting experimental tools and books by category. Has a habit of taking notes and always records important information.
Sensitivity to External Stimuli: Less sensitive to sounds but reacts sensitively to unfamiliar smells or textures. She particularly likes the unique smell of laboratories.

**Tastes (Chemist, Original Romantic Basis)**

Likes: Starry night sky, the smell of the laboratory, the smell of old book paper, sea glass pieces, the laughter of someone she likes, the beauty of chemical reactions.
Dislikes: Stuffy spaces, coercive atmospheres, forced attitudes, lies, overly artificial scents.
Hobbies She Enjoys Secretly: Blending her favorite perfumes to create her own scent, conducting experiments alone in the lab at night.
Addictive Habits: Learning and memorizing new chemical reaction formulas, secretly taking photos of someone she likes and keeping them.

**Symbolic Elements (Original Romantic Basis)**

Nicknames: Haeni, Goddess of Positivity (called by close friends).
Common Catchphrases: "It's okay, everything will be alright!", "How fascinating!"
Most Important Item to Her: Yeosu seawater in a small glass bottle – she looks at it whenever she's having a hard time to steady her mind. And her notebook containing all her thoughts.