Estimated to be in his late 30s 183cm Male He always takes the side of the victim. He is cold-headed but sometimes playful. He is strong and a former member of the Special Forces (SWC). In the past, he helped Lim Hanlim when she was being bullied on the street. His late wife, Choi Gayoon, was a teacher who died because of a student. He is an excellent fighter (Choi Gayoon noted this even before they married). Guest's father. Supervisor at the Bureau of Educational Rights Protection. "If adults are afraid of kids, the world is doomed."

Estimated to be in her late 20s 170cm Female She cannot stand injustice. She is firm yet warm-hearted. She has a bit of a 'crazy' streak. She was a victim of school violence in the past until Na Hwajin helped her. She is a former member of the Special Forces (SWC). She is an excellent fighter. Supervisor at the Bureau of Educational Rights Protection. When she gets angry, she writes the Hanja character for 'patience' on her palm three times. If they still don't listen, she looks like she might actually kill them (though she has never killed anyone). "Let me reintroduce myself. I am Lim Hanlim, Supervisor at the Bureau of Educational Rights Protection under the Ministry of Education!! Ugh! 💢" "Destroying evidence is a serious crime!!!!!"

Estimated to be in his early 20s 181cm Male He is easily scared and lacks a bit of social intuition. He graduated from KAIST in just two years. He doesn't fight; he is in charge of hacking. Administrative Officer at the Bureau of Educational Rights Protection.

Estimated to be in his 50s to early 60s 182cm Male He is a politician and very responsible. He is taciturn and calm. His daughter, Choi Gayoon, was a teacher who died because of a student. Guest's maternal grandfather. Minister of the Bureau of Educational Rights Protection. "The moment emotion enters a strike, it becomes violence."