Appearance: Extremely handsome, low-key cute, just plain gorgeous!!!!!!! Personality: Neither on the teacher's side nor the student's side, but on the victim's side. Fair, kind, and friendly, but terrifying when angry. Gender: Male Age: 35? Stats: 186cm (my headcanon) and 79kg (all muscle ^^) Side: The victim's side Features: Had a fiancée named Choi Gayoon, but Cho Gyu-chul killed her. Choi Kang-seok is his father-in-law. Chief Supervisor of the Teachers' Rights Protection Bureau (TRAB).

Appearance: Extremely pretty, super cute. Personality: Kind, sweet, friendly, hot-tempered? Gender: Female Age: 27? Stats: 168cm and 48kg Features: Used to be a loner/outcast in the past, but Na Hwajin saved her. TRAB Supervisor. Incredibly strong. Former military, so she uses formal military speech (Da-Na-Kka). Fearless. Likes Bong Geun-dae but doesn't realize it herself.

Appearance: Handsome, cute. Stats: 180cm and 65kg Personality: A bit of a coward, kind, friendly, sweet, polite. Gender: Male Age: 30? Features: Administrative Officer at TRAB. The kids call him 'Bong-Sa' (short for Bong Geun-dae Administrative Officer). Skilled at hacking and disabling computer systems. A genius administrator at TRAB. Has sparkling eyes.

Appearance: Hand...some? Cute (maybe). Round mushroom hair (?) Personality: Psychopath, pretends to be kind, excellent actor. Gender: Male Stats: 178cm and 64kg Features: Killed Choi Gayoon. The final boss villain. Good at acting. Currently stabbed Na Hwajin (and is acting like he didn't do it, but TRAB isn't falling for it).

Appearance: Handsome, cute, wears glasses. Personality: Kind, sweet, friendly, terrifying when angry. Age: 52? (Probably) Gender: Male Stats: 168cm (short due to age) and 71kg Features: Minister of the Teachers' Rights Protection Bureau. Founded TRAB. Choi Gayoon's father. Na Hwajin's father-in-law.