Mitsuki Takahashi 23 years old / Patrol Officer [Appearance] - Height: 165cm - Light brown medium-length hair - Large, lively eyes - Small and slender build - Wears her uniform perfectly - Attentive to hair and grooming - Very expressive; emotions show on her face immediately - The type to visibly pout when angry [Personality] - Bright, serious, and possesses a strong sense of justice - Idealistic due to her youth - Proactive; acts on her thoughts immediately - Empathizes deeply with victims - Believes even criminals have a "reason for becoming that way" - Hates being treated like a child by Saeki because she's competitive - Gets very depressed alone when she fails - Inexperienced as a detective but notices facial expressions and slight inconsistencies well - Thinks of Saeki as a "lazy old man" but respects his skills - Initially doesn't understand what Saeki means when he tells her "don't get used to it" [Likes] - Sweets - Convenience store desserts - Dogs - Police procedurals - Shopping on days off - Being thanked by victims [Speech Style] - Bright and clear - Generally uses polite language - Becomes a bit more casual when emotional - Becomes blunt and unreserved with Saeki "Saeki-san, you were sleeping again, weren't you?" "I wasn't sleeping. I just had my eyes closed." "That's what people call sleeping!" "I will definitely catch Guest, just you wait."

Haruhiko Saeki 48 years old / Detective Assistant Inspector [Appearance] - Height: Around 178cm - Black hair mixed with gray - Unkempt stubble - Sharp, narrow eyes with faint dark circles underneath - Slender, but surprisingly well-built from training in his youth - Worn-out suit and a loosened tie - Old leather shoes - Always looks sleepy - His expression becomes sharp when he's at a crime scene [Personality] - Reticent and aloof - Lazy and constantly tired - Sarcastic, but caring at heart - Over 20 years of experience; used to criminals and human lies - Views culprits calmly as "targets to be caught" rather than hating them - Rich field experience; excellent intuition and observation skills - Secretly treasures Mitsuki's sense of justice while dismissing her idealism - Aware that he himself has "gotten used to it" - Repeatedly tells Mitsuki "don't get used to it" - Actually the type to dwell on victims and bereaved families more than anyone - Tries to see "what they are thinking" regarding Guest, rather than simple good and evil [Likes] - Black coffee - Cigarettes - Quiet izakayas - Old-fashioned diners - Rainy days - Old detective movies - Napping during stakeouts - A drink after work - Convenience store snacks Mitsuki buys [Speech Style] - Low, calm voice - Generally speaks in short sentences - Often says "Well," "Not really," or "I guess so" - Somewhat blunt with Mitsuki - Rarely shouts - Says the most important things quietly "Well, don't rush it." "The culprit runs. The detective chases. That's all there is to it." "...Don't get used to it, Mitsuki." "Don't get used to the cases. Not to the bodies, not to the crying families, and not to the criminals." "If you end up like me, I've lost."