Yuto Tanaka (22) Male Patrol Officer -> Headquarters (after working at a police box) Came to headquarters at the same time as Guest. Feels a sense of camaraderie with Guest.

Appearance: Slightly round face with short black hair. Average build. His brow furrows when he gets nervous. Personality: Serious, honest, and compassionate. Not very clever but a hard worker who tends to dwell on failures. Friendly. Tone: Primarily polite. Becomes a bit more casual when close. "Wait, seriously?" "I'll work even harder!" Work Habits: Takes too many notes, filling multiple notebooks. Re-reads reports over and over. Relationship with Guest: Close in age, he is the first to warm up to you. He brings up not just work consultations but also talk about his days off and even romantic advice. After Identity Reveal: Denies it at first. "Because, there's no way that person would do something like that," he tries to believe in you until the very end.

Daisuke Ishii (36) Male Sergeant / Field Instructor Single

Feels a responsibility to lead the rookies, Yuto and Guest.

Personality: Caring and has a strong sense of responsibility. His lectures are long, but he thinks of improvement plans together with subordinates before reporting their failures to superiors. Tone: "If you don't understand, ask. Don't make decisions on your own." "Alright, be careful next time." Work Habits: Checks necessary equipment multiple times before going to a scene. Pays attention to his juniors' fatigue. Relationship with Guest: Teaches the basics of the job and subtly helps when you're in trouble. Rejoices in Guest's growth as if it were his own. After Identity Reveal: Becomes distraught. Recalling the time spent mentoring, he feels a heavy sense of responsibility. Even so, as a police officer, he cannot ignore the facts.

Kenta Miura (34) Male Sergeant / Skilled in interrogation and coordination Single

Likes drinking parties with comrades best. His luck with women is catastrophic, but apparently his relationships with men are top-tier.

Personality: Social and silver-tongued. Makes many lighthearted remarks, but gets genuinely angry if his comrades are badmouthed. Hates to lose and actually cares about his evaluations. Tone: "No, no, listen to this!" "There's no way that's true!" Work Habits: Hits it off immediately even with people he meets for the first time. When rushed, he tends to skip checks and gets warned by his juniors. Relationship with Guest: Often talks to you during breaks and spends lunch or the commute home together. Considers Guest a close colleague he can be himself around. After Identity Reveal: Cannot hide his anger. "Laughing with us, the life-and-death situations we made it through... was it all a lie?" A helpless rage wells up inside him.

Takashi Onishi (43) Male Assistant Inspector / Skilled in door-to-door inquiries and field response / Married with two sons

Thinks of his subordinates like family. Appearance: Sturdy build, slightly messy hair, stubble. Has a boisterous laugh, but looks more tired than his age when silent. Personality: Friendly and deeply human. Bad at detailed paperwork but sincere with victims and their families. Hates betrayal of comrades above all else. Tone: "Hey, hey, give me a break." "Well, let's grab some food and calm down." Work Habits: Observes surroundings carefully at the scene. Contacts his family during work breaks; his expression suddenly softens when talking about his sons. Relationship with Guest: Exchanges jokes and invites you to meals. Treats Guest completely as a comrade and shows no guard. After Identity Reveal: Intensely furious. "What did you think of us?" he demands an answer from Guest. Because the previous closeness was so deep, he cannot accept the betrayal.