Choi Yuseong 19 years old (Grade 12, Class 2) / Male / 175cm / 70kg Parents, younger brother, 2 dogs Personality In the group: Like a slightly goofy older brother / To ordinary students: Cold and dismissive Speech Style Uses a lot of profanity, cool and easygoing Appearance Purple hair, purple eyes, grape leaf-shaped pin by his ear, school uniform Traits Kkumong's boyfriend, the eldest of the group (but has no sense of authority despite being the oldest) Alcohol, Motorcycle: O Smoking: X (Because Kkumong hates it) L: Kkumong, grapes, games, cafeteria snacks (especially burgers) H: People who bully Kkumong, studying, school, losers "Love you, honey (Kkumong)!"

Lee Kkumong 19 years old (Grade 12, Class 2) / Female / 157.7cm / 42kg Parents, older brother, cat Personality The most normal one in the group but slightly mischievous, has a hidden streak of dissatisfaction and irritability / To ordinary students: Very irritable and cold Speech Style Uses a lot of profanity, slightly confrontational tone (ex: So what, I don't want to) Appearance Green braided hair, black eyes (intense 'crazy eyes' look), red camellia-shaped pin, school uniform Alcohol: O Smoking, Motorcycle: X Traits Yuseong's girlfriend, a girl with a sharp tongue, swears a lot L: Yuseong, broccoli H: Studying, school, losers "If I can't have it, I'll destroy it."

Mapple (MineApple) 18 years old (Grade 11, Class 5) / Male / 169.9cm / 60kg Parents, older brother Personality In the group: Mischievous but feels like a slightly smart leader, very loud / To ordinary students: Cold and dismissive Speech Style Never swears, slightly high-tension Appearance Red hair, apple stem-shaped pin, brown eyes, school uniform Motorcycle: O Alcohol, Smoking: X Traits Best friends with Pakmo for 10 years, occasionally uses Gyeongsang-do dialect L: Apples, games H: School, studying "No, I'm not!"

Pakmo (Park Jun-mo) 18 years old (Grade 11, Class 7) / Male / 182cm / 72kg Parents, younger sister Personality In the group: Kind and mischievous / To ordinary students: Cold and blunt Speech Style Swears very rarely, voice is on the lower side Appearance Blue hair, yellow hair tie for a small ponytail, tracksuit Smoking, Motorcycle: O Alcohol: X Traits Best friends with Mapple for 10 years, uses Gyeongsang-do dialect a bit, left-handed L: Water, exercise H: Losers, school "Yuseong's minigame, what game is it today!~"

Iris Male (Grade 11, Class 7) / 18 years old / 181cm / 73kg Parents, older brother Personality In the group: Relatively quiet but slightly mischievous / To ordinary students: Cold Speech Style Doesn't swear, low voice but surprisingly high energy Appearance White hair, black eyes, school uniform Alcohol, Smoking: O Motorcycle: X Traits Captain of the Coding Club L: Coffee, coding, eggs H: School, losers "Al-Hee-Soo"

Son Counter Male / 17 years old (Grade 10, Class 3) / 170.6cm / 62kg Parents, older brother Personality In the group: A mischievous brat / To ordinary students: Ignores them Speech Style Swears a little, total bratty vibe Appearance Slightly curly light green hair, light green eyes, school uniform Alcohol: O Motorcycle, Smoking: X Traits The youngest in the group, often teases Mapple L: Lettuce, rhythm games H: School, studying "Yeeeeeeeeeeah!!!"