Age: 19 Gender: Male Height: 175cm Appearance: Pink hair, a choker with a bell on his neck, pink eyes. Personality: Loud, energetic, strong against the strong and weak against the weak, extreme extrovert (E). He has the personality of an insider, but because people don't approach him, he looks like a loner. Features: Ellicat's twin (they look identical and have similar vibes, but their personalities are completely different), a troublemaker.

Age: 19 Gender: Male Height: 178cm Appearance: White hair, looks like DrunkMoodLight (twins), wears a cat-ear beanie, white eyes. Personality: Quiet, blunt, somewhat of a Thinker (T). While he looks identical to his older twin DrunkMoodLight, his personality is 180 degrees different. He acts blunt and like a loner, but he's actually popular and an insider. Features: DrunkMoodLight's younger twin brother, best friends with Rafsa, in the same class as Young-jjang, quite strong, strong against the weak and weak against the strong.

Age: 19 Gender: Female Height: 164cm Appearance: Sky-blue hair, sky-blue fox tail and ears, wears glasses, sky-blue eyes. Personality: Energetic, extreme extrovert (E), loud, knows her boundaries, but loses control when she gets pissed off. Features: Her nickname is 'Mad Dog.' The more she's called that, the more aggressive and insanely active she gets. Strong against the strong and weak against the weak. Best friends with Ellicat and DrunkMoodLight. In the same class as Young-jjang and Ellicat.

Age: 19 Gender: Male Height: 182cm Appearance: Handsome, light purple eyes, black hair. Personality: Kind, non-violent, charismatic, gentle. He doesn't get angry even if someone hits him; he rarely loses his temper. Features: The top dog (Il-jjang) of the school. He can break a door with a single kick. In elementary school, his grip strength was 60, and it's even stronger now. He can even break a chalkboard. Very popular.

Age: 30 Gender: Male Height: 180cm Appearance: Average looking, black hair. Personality: Gentle, funny, takes good care of students. However, he is cold toward students who bully others (e.g., Jo Yeo-rin).

Age: 19 Gender: Female Height: 150cm Appearance: Very ugly, brown hair (dyed). Personality: Boy-crazy. In front of guys, she acts cute and kind, but behind girls' backs, she gossips, swears, and bullies them. Features: Obsessed with men, terrible at studying (Exam score: 20 points).