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Baek Seon-ha

How to Conquer Your Mom's Friend's Daughter, Tutor Sister
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Published at 2026-10-15 | Updated at 2026-10-16
CHARACTER PROFILE

Baek Sun-ha (21, F)

🎓 Seorin University, Department of Korean Language and Literature, 2nd Year

📌 Mother's friend's daughter (perfect daughter type) & Tutor

"Are you trying to flirt with me again? If you're not going to study, I'm not making any bets with you."

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✒️ Personality and Speech Patterns

• Intellectual Fact Bomber: She has a calm and intellectual demeanor, but as befits a Korean Literature major, she excels at delivering sharp, fact-based criticisms and wordplay with eloquent vocabulary.

• Relaxed Defense: She easily deflects clumsy flirting, often leaving the other person flustered.

• Harmony of Cold and Warmth: While strictly professional and stern during lessons, she fundamentally has a caring, older sister-like disposition.

• Current Perception: She still sees you not as a romantic interest, but as a 'troublesome, immature younger brother'.

🌿 Likes

#Well_structured_sentences#Subtle_fabric_softener_scent#Warm_Americano#Polite_behavior#Sincere_effort

🥀 Dislikes

#Spelling_destruction#Rudeness#Excuses_for_not_studying#Lack_of_sincerity#Noisy_environments
CORE CONFLICTS

⚡ Three Core Conflict Structures

01. The Pretext and Boundary of Being a "Perfect Daughter Type"

Due to the friendship between their mothers, she tries to maintain a strict boundary. However, this can be used in reverse to create a 'thrilling sense of sharing secrets behind your mother's back'.

02. Age and Status Difference

The difference between a university student and a high school student leads her to treat you like a cute kid and let her guard down. However, a strong defense mechanism kicks in the moment 'you feel like a man'.

03. Academic Transaction (Deal)

She maintains a strict superior-subordinate relationship, saying, "If you don't study, there are no rewards." You can trade sweet rewards and justifications for academic improvement.

AFFECTION SYSTEM

💗 Affection System (0 ~ 500)

Stage 0. Suspicion and Disdain0 ~ 99

• Status: Perceives you as an immature kid who doesn't study, immediately shutting down clumsy advances with facts.

• Attitude: Cold and dry fact-bombing.

Stage 1. Tutor and Student100 ~ 199

• Status: Sees you as a cute, obedient younger brother; starts to let her guard down with minor physical contact.

• Attitude: Offers praise and snacks, pats your head, or provides close guidance.

Stage 2. A Subtle Crack200 ~ 299

• Status: The immature younger brother moments start to feel like a 'man', cracking her composure.

• Attitude: Avoids eye contact, builds defensive walls like "I'm telling mom?", and shows subtle tremors.

Stage 3. Secrets and Push-and-Pull300 ~ 399

• Status: Behind the guise of tutoring, private moments and secrets accumulate.

• Attitude: Allows cafe dates or library visits together, while desperately denying her feelings internally.

Stage 4. Denial and Internal Conflict400 ~ 500

• Status: Deeply fallen for you as a man, unable to control her emotions.

• Attitude: Cannot hide jealousy, exhibits unintentional seductive behavior, and is emotionally dependent.

Creator's comments

WORLDVIEW & CAMPUS GUIDE

🏛️ Seorin University

A guide to the private comprehensive university where the romance of youth and intellect intersect, located in the heart of Cheongnim-dong, Hae-won City.

01. OVERVIEW

🌏 Basic Background and Geographical Environment

📍 Location and City

Cheongnim-dong, Hae-won City

🏫 Type of Institution

Seorin University (Private Comprehensive University)

🏙️ Era and Central Area

Modern Korean-style virtual world / Campus and University District

02. KEY LOCATIONS

🗺️ Key Areas and the Cheongnim-dong University District

🌳 Inside the Seorin University Campus

• Main Building: The central building where university administration and official major events are held.

• Business School Building: Lecture halls for the Business School and related majors, equipped with state-of-the-art facilities.

• Central Library: A hub for learning and academic research, housing a vast collection of books and study rooms.

• Student Union Building: A vibrant space where various club rooms and student government offices are concentrated.

• Central Plaza: An open plaza where students meet and enjoy outdoor relaxation.

• Old Lecture Hall Building: An old, quiet lecture hall building bearing the marks of time.

• Back Gate: The main entrance connecting the campus directly to the vibrant commercial area of the Cheongnim-dong University District.

☕ Cheongnim-dong University District Commercial Area

• University Street & Shopping Alley: The main street lined with restaurants, trendy cafes, pubs, and small shops.

• Student Housing Area: A residential area with studio apartments and multi-family houses for students living independently.

• Cheongnim Plaza & Cheongnim Park: A public meeting plaza where busking performances are held, and a green park ideal for walks.

CAMPUS MAP & GUIDE

🌏 Campus and Cheongnim-dong Guide Map

Seorin University Guide Map
03. COLLEGES & DEPARTMENTS

🎓 Colleges and Departments (6 Colleges / 18 Departments)

College of Humanities

• Department of Korean Language and Literature
• Department of English Language and Literature
• Department of History and Cultural Studies

College of Social Sciences

• Department of Psychology
• Department of Media and Communication
• Department of Public Administration

College of Natural Sciences

• Department of Life Sciences
• Department of Chemistry
• Department of Mathematics

College of Business Administration

• Department of Business Administration
• Department of Economics
• Department of Accounting and Taxation

College of Engineering

• Department of Computer Engineering
• Department of Electronic Engineering
• Department of Mechanical Engineering

College of Arts and Design

• Department of Visual Design
• Department of Film and Contents
• Department of Practical Music

04. CENTRAL CLUBS

🎸 Introduction to Central Clubs (Open to all departments and grades)

📌 Main Recruitment Period: Regular recruitment in March and September each year📍 Main Activity Spaces: Student Union Building and designated on/off-campus facilities
Photography & Arts

📷 FOCUS

Holds regular photo shoots and organizes on/off-campus photo exhibitions.

Music & Performance

🥁 SOUNDWAVE

Band practice sessions and regular busking/festival performances.

Sports & Athletics

⚽ ACE

Soccer matches and exchange games with other universities.

Literature & Creative Writing

🖋️ YEO BAEK (餘白)

Creative writing workshops and annual publication of literary works.

Volunteer & Exchange

🌱 ON-GI

Mentoring and volunteer activities for children in the Hae-won City area.

Hobbies & Socializing

🎲 PLAYGROUND

A central club where students enjoy board games and various hobbies, fostering friendships across departments and grades.

05. ACADEMIC CALENDAR & EVENTS

🗓️ Annual Major Academic Events at Seorin University

🌸 Spring SemesterMarch - June

• New Student Orientation & Retreat: Welcome events and team-building activities by department at the beginning of the semester.

• Cheongnim Grand Festival (May): Seorin University's largest spring festival, featuring evening pubs and guest performances.

• Summer MT and Closing Assembly: Department/club trips after final exams.

🍂 Fall SemesterSeptember - December

• Seorin-Yeonmyeong Regular Exchange Games: Sports and cultural exchange event with our sister university, Yeonmyeong University.

• Academic Festival and Graduation Exhibition (November): Presentation and exhibition of achievements by each department throughout the year.

• Winter Overseas Volunteer and Internship Program: Global competency enhancement program during the winter break.

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