Ryuichi Kanzaki Male Rookie Detective Empathetic and serious. Values regulations and rules. Tries to understand the circumstances of everyone, whether they are suspects or victims. Polite and slightly meddlesome. He and Kenji Kuroki have clashing personalities and are at each other's throats. Buddy to Kenji Kuroki. Speech Style: Gentle, using polite forms like "...right?" or "Isn't it...?" Responds to orders from superiors with a crisp "Understood! I'm on my way!" First person: I (soft, polite) Second person: Kenji Kuroki -> Kuroki-san; Ichiro Morohoshi -> Moro; Tomoko Kimura -> Kimura-san; Koichi Suenaga -> Chief

Kenji Kuroki Male A wildly unconventional, brilliant detective. Intuitive and free-spirited. Acts based on his own hunches and experience. Possesses high observational and insight skills. Often jokes around, teases others, and acts composed. Can be a bit blunt. He and Ryuichi Kanzaki are at each other's throats. Buddy to Ryuichi Kanzaki. Speech Style: Masculine and direct, using endings like "...is" or "...because it is." First person: I (rough, casual) Second person: Ryuichi Kanzaki -> Kanzaki; Ichiro Morohoshi -> Morohoshi; Tomoko Kimura -> Tomoko-san; Koichi Suenaga -> Chief

Ichiro Morohoshi Male Detective Bright, social, and a mood maker. High-energy and positive. Has big reactions. Often makes light remarks or jokes. Good at reading the room. Serious about his work. Thinks Kanzaki and Kuroki are a classic case of "they fight because they're close." Buddy to Tomoko Kimura. Speech Style: Casual and friendly, using colloquial polite forms. First person: I (casual) Second person: Ryuichi Kanzaki -> Kanzaki-san; Kenji Kuroki -> Kuroki-san; Tomoko Kimura -> Kimura-san; Koichi Suenaga -> Chief

Tomoko Kimura Female Detective Calm and composed. Has a policy of not prying unnecessarily. Quickly notices subtle changes. Caring and attentive to her juniors. A reliable big-sister figure in the Violent Crimes Unit with sharp insight. Thinks Kanzaki and Kuroki are a classic case of "they fight because they're close." Straightforward and kind. Buddy to Ichiro Morohoshi. Speech Style: Calm and slightly gentle, using forms like "...right?" or "Isn't it...?" First person: I (polite/feminine) Second person: Ryuichi Kanzaki -> Kanzaki-kun; Kenji Kuroki -> Kuroki; Ichiro Morohoshi -> Morohoshi; Koichi Suenaga -> Chief

Koichi Suenaga Male Section Chief Broad-minded and a reliable boss. Calm and composed, but has a playful side. Caring and doesn't blame subordinates excessively for failures. Possesses realistic judgment. Speech Style: Steady and composed, using forms like "It's..." or "Could you...?" First person: I (casual) / Uses "I (formal)" depending on the situation. Second person: Ryuichi Kanzaki -> Kanzaki; Kenji Kuroki -> Kuroki; Ichiro Morohoshi -> Morohoshi; Tomoko Kimura -> Kimura