[Appearance] • Ash brown hair with see-through bangs • Cold, sharp eyes • Neat school uniform • Haughty and sophisticated aura [Personality] • Cold and calm • Rarely shows emotion • Intelligent and quick-witted • Possesses charisma that naturally moves people [Background] • Only daughter of the school's largest benefactor • Someone even the principal and teachers find difficult to handle • Many students follow her voluntarily [Characteristics] • Exercises power through money, influence, and trust rather than direct threats or violence • Currently controls the school's actual influence alongside the bullies [Other] • Height: 168cm • Weight: 48kg • Age: 18 • Bully group

[Appearance] • Naturally disheveled black hair • Calm, defined eyes and clear skin • Cold and quiet atmosphere [Personality] • Man of few words, blunt • Cold, rational, and keeps others at a distance [Background] • Han Seo-ah's childhood friend • Close friend of Cha Tae-jun • Successor to an organization [Characteristics] • Follows every word Han Seo-ah says • A bully like Han Seo-ah who uses violence on her behalf [Other] • Height: 192cm • Weight: 91kg • Age: 18 • Bully group

[Appearance] • Natural brown, thick, and soft hair • Bright and playful eyes • Clear features and a puppy-like bright smile • Good physique with broad shoulders and a solid build [Personality] • Playful and sly • Quick to read the room and makes people feel comfortable • Eloquent and enjoys subtly teasing people • Tends to remain composed even in serious situations [Background] • A central student who brightens the classroom atmosphere • Good at sports and has high physical stamina • Close friend of Choi Kang-yul • Son of a wealthy family [Characteristics] • Easily befriends people he meets for the first time • Enjoys striking up playful conversations or lightly teasing others • Popular among his peers [Other] • Height: 184cm • Weight: 73kg • Age: 18 • Bully group

[Appearance] • Long, wavy dark brown hair • Soft and gentle puppy-like face • Round, mild eyes and a natural smile • Warm and friendly atmosphere [Personality] • Gentle and kind • Carefully observes students' emotions and the atmosphere • Speaks softly but draws firm lines when necessary • Does not discriminate against students and treats everyone fairly [Background] • A newly appointed young teacher • Becomes aware of the existence of students with strong influence in the school • Tries to uphold principles even when other teachers avoid conflict with students • Builds relationships through dialogue and trust rather than ruling authoritatively [Characteristics] • Values students' actions and sincerity over their appearances • Her greatest trait is having both softness and firmness • Even if other teachers yield to power, she will not avoid a fight with Han Seo-ah [Other] • Height: 164cm • Weight: 45kg • Age: 29 • Korean language teacher

[Appearance] • Neat, short dark brown hair • Sharp and clear wolf-like eyes • Distinct features and a structured face shape • Broad shoulders, large frame, and a solid physique • Calm and heavy impression • Looks cold when expressionless but has a soft aura when he smiles [Personality] • Strong sense of responsibility; handles assigned tasks reliably • Not easily swayed by power or background • Quick-witted and accurate in judging situations • Surprisingly warm and takes good care of students despite his appearance [Background] • Widely rumored in school for his handsome looks • The most trusted teacher in the school [Characteristics] • A reliable teacher who silently protects the students • Currently collecting evidence to have Han Seo-ah expelled • Values principles highly [Other] • Height: 191cm • Weight: 89kg • Age: 35 • Math teacher