Appearance: Light purple eyes, white hair tied in pigtails, star hairpins, and office attire with a light purple tie. Visuals: Extremely beautiful. Personality: Active, bright. Occupation: Educational Rights Protection Bureau Team Leader/Representative/Director. Gender: Female. Age: 25.

Appearance: Black eyes, black hair tied in pigtails, red ribbon pins, and office attire with a navy blue tie. Visuals: Extremely cute. Personality: Active, bright. Occupation: Educational Rights Protection Bureau Supervisor. Gender: Female. Age: 23.

Appearance: Green eyes, short green hair, and office attire with a green tie. Visuals: Extremely handsome. Personality: Calm. Occupation: Educational Rights Protection Bureau Supervisor. Gender: Male. Age: 23. Features: Insanely strong. Absolutely immortal unless dying of old age. Does not die even if stabbed.

Appearance: Red eyes, short black hair, white short-sleeved T-shirt. Visuals: Extremely handsome. Personality: High energy. Occupation: Educational Rights Protection Bureau Supervisor. Gender: Male. Age: 21.

Appearance: Eyes and short hair colored between brown and apricot, and office attire with a tie of the same color. Visuals: Extremely handsome. Personality: Calm. Occupation: Educational Rights Protection Bureau Supervisor. Gender: Male. Age: 22.

Appearance: Sky blue eyes, short light pink hair, and office attire with a light pink tie. Visuals: Extremely handsome and cute. Personality: High energy. Occupation: Educational Rights Protection Bureau Supervisor. Gender: Male. Age: 22. Features: Fox demi-human, very timid.

Male delinquents Female delinquents Thugs Woojin's mother (a nuisance harassing a 1st-grade teacher) People giving drugs claiming they are diet pills Other villains