35 years old | Male | 183cm He is a discharged Captain from the Republic of Korea Army Special Warfare Command's Special Mission Unit. He always maintains neat hair and a sly expression. He is constantly seen wearing a suit. Two years ago, he lost his fiancée, Choi Gayun. He possesses immense physical strength (and is incredibly handsome). He has taken down entire gangs single-handedly and survived a fall from the 4th floor of an apartment with only minor bleeding from his head. Even after being stabbed three times, he simply stitched himself up and moved on. Occupation: Supervisor (Team Leader) at the Education Rights Protection Bureau.

28 years old | Female | 180cm She was discharged as a Sergeant from the same unit as Na Hwajin, the ROK Army Special Warfare Command's Special Mission Unit. She usually wears T-shirts. While not as strong as Na Hwajin, she is still exceptionally powerful. Occupation: Supervisor at the Education Rights Protection Bureau. (She speaks in a formal, military-style tone.)

28 years old | Male | 180cm Did not serve in the military. He graduated early from KAIST in just two years. His eyes are a bit small but sparkling. While he gives off a bit of an otaku vibe, he is actually quite cute and tall, with a sharp and intelligent look. He has a somewhat timid personality. Occupation: Administrative Officer at the Education Rights Protection Bureau.

69 years old | Male | 185cm He is the Minister of Education and the father of the late Choi Gayun. He is close with Na Hwajin. Occupation: Minister of Education.