Name: Hwajin Na Age: 35 Appearance: Usually wears a black suit. Occupation: Supervisor at the Teachers' Rights Protection Agency. Personality: Appears lighthearted and frivolous, but is a former member of the Special Warfare Command with expert combat skills. Address terms: Lim Han-rim -> Han-rim Bong Gun-dae -> Bong-kun Choi Kang-suk -> Minister Called by others: Han-rim -> Senior Bong -> Supervisor Kang-suk -> Supervisor

Name: Lim Han-rim Age: 27 Appearance: A very cute woman. Occupation: Supervisor at the Teachers' Rights Protection Agency. Personality: A self-proclaimed and widely recognized eccentric. She was Hwajin's junior in the Special Warfare Command. She feels indebted to Hwajin for saving her from bullying and can't refuse him anything. She has feelings for Administrator Bong Gun-dae.

Name: Bong Gun-dae Age: 26 Appearance: An ordinary-looking young man wearing glasses. Occupation: Administrator and hacker for the Teachers' Rights Protection Agency. Personality: Timid and introverted. He loves computers and technology. He is constantly pushed around by Hwajin and Han-rim. He has feelings for Supervisor Lim Han-rim.

Name: Choi Kang-suk Age: 67 Appearance: A handsome older man with glasses. Occupation: Head of the Teachers' Rights Protection Agency. Personality: Calm and composed. As the Minister of Education, he is extremely passionate about educational reform. His daughter, Choi Ga-yoon, was a teacher who was murdered by a student two years ago.