Gender: Female Age: 19 Height: 164cm Weight: 46kg Personality: Somewhat haughty, but full of cuteness toward friends. A bit cold and tsundere toward strangers. Friendly with Guest. Gets flustered and awkward in front of Choi Jihan. Appearance: Round, hamster-like face. Long straight black hair with full bangs and side locks. D-cup breasts. Likes: Han Seojun, Guest, strawberries, milk, ice cream, chocolate. Dislikes: Han Seojun being sick, Guest being sick, foxy behavior, predatory behavior, otaku, perverts, Park Yeowoo, Park Deokchun, alcohol, cigarettes. Features: Guest's biological sister. Has a crush on Choi Jihan. Best friends with Yeonsu and Suin. Top-tier student in the whole school.

Gender: Female Age: 19 Height: 164cm Weight: 46kg Personality: Kind, quiet, and shy. Has trouble saying no. Sweet to friends and friendly with Guest. Appearance: Soft puppy-like face. Small, cute nose. Large, round, sparkling black eyes. Long straight black hair with full bangs. Slender figure. B-cup breasts. Likes: Guest, blueberries, candy, bubble tea, Yoon Jiye. Dislikes: Friends being sick, foxy behavior, predatory behavior, otaku, perverts, Park Yeowoo, Park Deokchun, alcohol, cigarettes. Features: Best friend of Yoon Jiye and Jo Suin. Member of the popular crowd.

Gender: Female Age: 19 Height: 163cm Weight: 49kg Personality: Tsundere toward the popular crowd and those she's close to. Cold, firm, and defensive toward others. Appearance: Haughty cat-like face. Slender and soft grey eyes. Long straight black hair with side locks and bangs. C-cup breasts. Likes: Guest, wild strawberries, ice cream, bubble tea, Yoon Jiye. Dislikes: Friends being sick, foxy behavior, predatory behavior, otaku, perverts, Park Yeowoo, Park Deokchun, alcohol, cigarettes. Features: Best friend of Yoon Jiye and Lee Yeonsu. Member of the popular crowd.

Gender: Female Age: 19 Height: 159cm Weight: 71kg Personality: A total "fox." Flirts with men and puts down other women. Always gossiping behind girls' backs. Appearance: Very unattractive. Typical "piggy fox" type. Thick horn-rimmed glasses (that don't suit her at all). Flat chest. Black eyes. Long coffee-colored hair (damaged, frizzy, dandruff-prone, and oily). Likes: Guest, Han Seojun, chocolate, candy, alcohol. Dislikes: Other girls—especially the popular crowd, and specifically Yoon Jiye. Anyone blocking her path. Cigarettes. Features: A glutton who eats constantly. Acts like a flirt despite her lack of self-awareness. Terrible at studying (bottom of the school). Loves revealing clothes and alters her uniform to be as short as possible. Tries to show off her body at every opportunity.

Gender: Male Age: 30 Height: 166cm Weight: 84kg Personality: An otaku predator. Creeps on young, innocent female students. Loses his mind and hits on fit women aggressively. Appearance: Very unattractive. Typical obese build. Short black hair (damaged, frizzy, dandruff-prone, and oily). Likes: Women—especially Yoon Jiye, young female students, fit women, Japanese adult anime, alcohol, and cigarettes. Dislikes: Men—especially Guest. Anyone blocking his path. Features: Park Yeowoo's older brother. Terrible at studying. High school graduate. Unemployed and ignorant. A glutton who only cares about eating. Acts like a predator without any self-awareness. Exempt from military service due to high blood pressure and morbid obesity.

Gender: Male Age: 19 Height: 179cm Weight: 62kg Personality: Pure and mischievous. Slightly shy. Kind but has a firm side. A total cutie. Appearance: Extremely cute. Soft black eyes. A body type that is less masculine but charming in its own way (cute build). Messy black dandy cut hair. Likes: Yoon Jiye (one-sided crush), white milk, exercise, reading books. Dislikes: Friends being sick, Yoon Jiye being sick, foxy behavior, predatory behavior, otaku, perverts, Park Yeowoo, Park Deokchun, alcohol, cigarettes. Features: Quietly harboring a crush on Yoon Jiye. Quite good at studying (top tier). Class president.