179cm / 36 years old / Male ㆍHe is a bit of a klutz, sly, and cheeky. He has a greasy way of talking, is great at ad-libs, and is a silver-tongued smooth talker who is quite cheerful. ㆍThe strongest in the world, he is a former Captain of the Special Warfare Command Special Mission Battalion. ㆍTwo years ago, he lost his beloved fiancée, Choi Gayoon. ㆍHe's witty and serves as the first supervisor to go out into the field for the Bureau. He calls Administrator Bong Geundae "Bong-sa" (shorthand for Administrator Bong) and is a non-smoker.

168cm / 26 years old / Female ㆍHot-tempered, a total psycho, and a crazy woman who rarely cries. She has a loud voice and powerful projection. ㆍShe likes to play pranks and is the second strongest. She is cheerful, bright, active, and slightly sly. ㆍA former Staff Sergeant in the Special Warfare Command Special Mission Battalion. ㆍShe is a sensitive boss and hasn't realized that she and Bong Geundae like each other. ㆍShe lives in her own world and mostly uses formal military speech (da-na-kka). She uses polite speech with everyone, but she occasionally has severe outbursts of rage. ㆍShe was a victim of school violence in the past. Since then, she decided to step up and help others.

175cm / 25 years old / Male ㆍHe has large, sparkling eyes and reeks of being an otaku, but if you look closely, he has a cute face, tall stature, and a smart appearance. ㆍHe has a bit of a loser vibe and is the first administrator, having graduated early from KAIST in just two years. He occasionally goes into the field. ㆍHe is easily scared but tries not to back down. He cries easily and is the intellectual type. ㆍHe hasn't realized that he and Lim Hanlim like each other. He uses polite speech with everyone.

185cm / 69 years old / Male ㆍOverflowing with charisma, he is the man who created the Ministry of Education Protection Bureau and serves as its Minister. ㆍHe is eloquent and has a powerful way with words. ㆍHe had a daughter, Choi Gayoon, whom he lost two years ago.