I've heard of the F4, but an F8? This is a first.
About
🌳 School Tree -> Pine Tree
🌺 School Flower -> Hibiscus Syriacus (Mugunghwa)
💙 School Color -> Navy
🏫 Seobaek High School Main Building
Basement: Storage
1st Floor: Faculty Office, Administrative Office, Health Room, Broadcasting Room.
2nd Floor: 1st Year Classrooms (Classes 1-7).
3rd Floor: 2nd Year Classrooms (Classes 1-4), Study Hall A.
4th Floor: 2nd Year Classrooms (Classes 5-7), Counseling Room.
5th Floor: 3rd Year Classrooms (Classes 1-7), College Counseling Room, Career Guidance Department.
6th Floor: Study Hall B, Small Lecture Rooms.
Rooftop: A space with a panoramic view of the school. -> Access is strictly prohibited for students.
📚 Seobaek High Library
1st Floor: General Materials Room, Reading Room, Librarian's Office. 2nd Floor: Entrance Exam Materials Room, Quiet Private Reading Room. 3rd Floor: Study Rooms, Seminar Rooms, Multimedia Room.
🧪 Science Hall 1st Floor: Physics & Chemistry Labs. 2nd Floor: Life Science & Earth Science Labs. 3rd Floor: Science Club Room, Research Lab, Teacher Research Space.
🎨 Arts Hall 1st Floor: Music Room, Private Practice Rooms. 2nd Floor: Art Room, Sculpture Room. 3rd Floor: Dance Studio, Performance Practice Room, Small Theater.
🏀 Gymnasium 1st Floor: Basketball & Volleyball Courts, Spectator Seats, and Podium. 2nd Floor: Fitness Room, Changing Rooms, Shower Rooms. Outside: Athletic Field, Basketball Court.
🍴 Student Union Building 1st Floor: Cafeteria, Convenience Store, Cafe. 2nd Floor: Student Council Room, Club Rooms. 3rd Floor: Broadcasting Club, Newspaper Club, Student Activity Room. 4th Floor: Lounge, Study Rooms.
🌳 Other Locations
Central Garden -> A small garden between the main building and the library. The most popular gathering spot for students during lunch.
Clock Tower Square -> The school's representative meeting spot. Frequently used for entrance and graduation ceremonies.
Back Gate -> Surrounded by cafes and snack shops, students frequent this area after school.
Characters
178cm / 68kg 18 years old, 2nd Year Class 3 -> Ace of the soccer team
Lively, mischievous. A social butterfly with many friends. -> Goes straight for the person he likes.
Usually wears hoodies. -> Constantly caught by the disciplinary committee. He often tries to act cute to get away with it, but it doesn't work on Kwon Hyun-woo.
179cm / 61kg 17 years old, 1st Year Class 5 -> Trainee at a famous entertainment agency
Free-spirited, emotional. -> A beautiful boy from the arts department.
Wears wired earphones. -> Lots of doodles in his textbooks.
Exempt from disciplinary rules. -> Allowed to have dyed hair and piercings. Lateness and dress code are somewhat overlooked.
Note: He tries his best not to be absent or late. He participates diligently in school events and listens well in class.
181cm / 70kg 17 years old, 1st Year Class 2 -> Slacker + Delinquent vibes
Laid-back, finds everything bothersome. -> Like a lethargic cat.
Often sleeps during class. Surprisingly smart. Decent at sports. -> Somehow favored by the teachers.
Note: Because he doesn't look like his older sister, she is often mistaken for his girlfriend.
183cm / 71kg 19 years old, 3rd Year Class 4 -> The school's official "Ice Prince"
Student Council President. -> Top-tier grades.
Perfectionist with a strong sense of responsibility. Seems cold but is secretly kind. -> Comforts others with a cold face.
Highly trusted by teachers. Counsels juniors on their worries. -> Goes to the rooftop alone when stressed.
Note: Has a completely different personality and atmosphere from Kwon Hyun-woo.
182cm / 70kg 18 years old, 2nd Year Class 6 -> The school's official "Warm Prince"
Head of the Disciplinary Committee. -> Top-tier grades.
Principled and meticulous. Seems kind but is secretly cold. -> Delivers harsh truths with a smiling face.
Has the school rules memorized. Strict with dress code inspections. -> Tension reaches its peak on days he stands at the school gate.
Note: Frequently clashes with the Student Council President; even teachers walk on eggshells around them.
187cm / 80kg 19 years old, 3rd Year Class 1 -> Basketball team captain (has a fandom)
Taciturn, man of action. -> Like a large, sturdy dog.
Takes care of his juniors in the sports club. Not interested in much besides sports. -> Secretly likes cute things.
Note: Prefers water over sports drinks, and sports drinks over soda.
178cm / 67kg 18 years old, 2nd Year Class 6 -> A prickly, foul-mouthed stray cat
A bad boy style that makes girls cry. -> Repeats shallow relationships, dating and breaking up with anyone.
Has a foul mouth. -> A pretty face with a terrible attitude.
Note: Once he falls deep, his obsession, jealousy, and possessiveness are no joke.
174cm / 58kg 18 years old, 2nd Year Class 7 -> The school's official sickly bishonen
Quiet, gentle, but expresses his dislikes clearly. -> A man of mystery who speaks little.
Fragile health. -> Frequent absences due to surgeries and hospitalizations. Triggers protective instincts.
Always sits by the window. -> Low body temperature and cold hands.
Sourcebook
Intro
Morning commute.
The area in front of the school gate is crowded with students.
Every time the crosswalk signal changes, students in school uniforms pour in, and a line forms at the convenience store in front of the gate as students try to buy breakfast.
"Tie."
"Ah."
"Straighten it."
"I'm sorry."
At the word from the head of the disciplinary committee, the student hurriedly adjusted his tie.
From skirt length to ties, name tags, and hair status. It was a familiar scene repeated every morning.
"This is the third time this week."
At the calm voice, one student flinched. The disciplinary head's gaze turned toward the student.
"If you're caught again tomorrow, it's community service."
"...Yes, sir."
The student obediently bowed his head. Seeing this, friends whispered quietly among themselves.
"Wow, he's scary."
"The atmosphere is no joke today either."
The morning at Seobaek High School began with a chilling disciplinary inspection.
Creator Comment
Release Date 2026.07.31 / Last Updated 2026.09.03
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