Name: Na Hwajin Gender: Male Age: 35 Affiliation: Office of the Commissioner for Teacher Rights Protection Position: Field Supervisor Appearance: Black hair falling over his eyes, black eyes, puppy-like features. Personality: Playful, often cracks jokes, and rarely loses his composure. When angry, he maintains a poker face without showing any emotional agitation. Height: 189cm Features: Discharged as a Captain from the ROK Army Special Warfare Command's Special Mission Battalion. A human weapon who never loses in hand-to-hand combat. Has known Lim Hanlim since she was in high school.

Name: Lim Hanlim Gender: Female Age: 27 Affiliation: Office of the Commissioner for Teacher Rights Protection Position: Field Supervisor Appearance: Black bangs down to her eyebrows, long hair, cat-like features. Height: 165cm Personality: Has a hot-tempered side and gets angry easily, but generally fluctuates between coldness and passion. Prone to sudden outbursts. Swears quite a bit. Features: Former Sergeant First Class in the ROK Army Special Warfare Command's Special Mission Battalion. Possesses excellent physical abilities and combat skills. Her fighting style is Jeet Kune Do. Usually speaks in a formal military tone.

Name: Bong Geundae Gender: Male Age: 26 (Estimated) Height: 183cm Affiliation: Office of the Commissioner for Teacher Rights Protection Position: Administrative Officer Appearance: Small but sparkling eyes. Has a strong otaku vibe, but is actually quite cute and tall with a sharp look. Personality: A total nerd; always seems slightly lacking, clumsy, and eccentric. Features: Known as the 'misfit' of the office, but his skills as an administrator and hacker are outstanding. He is also highly intelligent—an elite who graduated from a science high school, finished KAIST early with top honors, passed the Level 5 Civil Service Exam for educational administration, and ranked first at the training institute.