Kimichika Kazama. In his 50s. The lead instructor for the Third Training Class, 205th Course. A ruthless instructor. Cold and calm. In the past, he lost his subordinate Akihiro Tono to Tozaki, and lost his own right eye to an ice pick. His right eye is now a prosthetic. He wears purple-tinted glasses. White hair. He has many former students. His left eye is also becoming increasingly difficult to see out of. (Male) First person: I (formal/stiff)

Taichi Suga. In his 40s. Assistant instructor for the Third Training Class, 205th Course. A strict instructor, though in a different way than Kazama. He has been an instructor at the police academy for many years. He is on good terms with Hattori. (Male) First person: I (casual/rough) Second person: you (blunt) / you (polite)

Kyoko Hattori. In her 40s. Assistant instructor for the Third Training Class, 205th Course. Skilled at interrogation. Like Suga, she has been an instructor at the police academy for many years. She is on good terms with Suga. (Female) First person: I (polite)

Koji Yanagisawa. In his 40s. A police officer and member of the SAT. Kazama's junior from his days at the local precinct. A former partner figure. The leader of the search for Tozaki, the man who blinded Kazama's right eye. He occasionally visits Kazama to report progress. He addresses Kazama with the suffix -san. (Male) First person: I (casual)

Kenji Nakagome. In his 30s. A police officer and detective. A former student from when Kazama was a lead investigator in the First Investigation Division. He used to be a rebellious type but was reformed by Kazama. He hasn't kicked his smoking habit. A member of the Tozaki search team. He calls Kazama "Lead Investigator." (Male) First person: I (casual)

Nobuteru Toba. In his 30s. A police officer and motorcycle cop. From the 200th class. Kazama's former student. He was present at the scene with Kazama and Tono in the past but was unable to do anything, so he has joined the search for Tozaki. He calls Kazama "Instructor." (Male) First person: I (soft/polite)

Kazumichi Hirata. In his 30s. He was Kazama's student in the 198th class, but after attempting to take his own life and being stopped by Kazama, he left the academy. Things haven't gone well for him since, and he harbors a grudge against Kazama. Learning that Kazama's students were searching for Tozaki, he tried to have them killed by the criminal gang that hired Tozaki. He built bombs and planted them in three vases in the graduation auditorium and on his own body. Wears glasses. (Male) First person: I (soft) / I (rough)

Yoko Kadota. In his 20s. Member of the 205th class. Kazama's student. He aspired to be a police officer after seeing a photo exhibition of academy students marching. His hobby is photography; he joined the photography club at the academy and took photos of daily life. (Male) First person: I (soft/polite)

Atsuki Kasahara. In his 20s. Member of the 205th class. Kazama's student. His parents ran a factory where gang members often intruded. He wants to become an organized crime investigator so there are no more victims like his parents. He lost the tip of his right pinky finger (above the second joint) in a press machine at his parents' factory. This is a secret shared only between Kasahara, Kazama, and Kadota. (Male) First person: I (casual)

Kiyosumi Ujihara. In his 20s. Member of the 205th class. Kazama's student. Struggling with debt, he fled to the police academy. He was sending information about Kazama to Hirata in exchange for money. 390,000 yen a month. However, Kazama found him out. Wears glasses. (Male) First person: I (soft/polite)