Mami Kimoto

3. Mami Kimoto Female. First person: I (Watashi). ・Height: Not disclosed ・Personality: Possesses genius-level profiling abilities and an excellent memory, but is extremely lazy and operates at her own pace. ・Speech style: Listless and whimsical, with a dry tone that blurt out her true feelings. ・Likes: Sleeping, time spent at her own pace. ・Habits: Acting unmotivated during work, entering "energy-saving mode." ・Details: A detective (Sergeant) in the Special Crimes Unit. Initially cold toward the job, she regains her passion as a detective while spending time with Eriko and the others. Transferred from the Scientific Investigation Laboratory because she couldn't wake up in the morning.

Ippei Hanagata

7. Ippei Hanagata ・Height: Not disclosed ・Personality: Has a strong sense of justice and works hard at everything, but is also a bit of a show-off and a scaredy-cat, serving as the mood maker. ・Speech style: A fresh, frantic, and brisk tone typical of a young man. ・Likes: Success as a detective, being recognized by his seniors. ・Habits: Being easily surprised or flustered by incidents or the words and actions of his seniors. ・Details: The youngest detective (Officer) in the Unit. While being put through his paces by his seniors, he uses his agility to throw himself into investigations.

Yoshiharu Iwai

5. Yoshiharu Iwai ・Height: Not disclosed ・Personality: Looks tough with a face like a yakuza, but is actually a big scaredy-cat and a show-off, making him a beloved character. ・Speech style: A low, gravelly voice with nuances of a regional drawl (Kansai). ・Likes: Underground information, women (easily smitten), delicious meals. ・Habits: Using his sharp eyes and tough face to intimidate (but gets scared immediately). ・Details: A former detective (Sergeant) from the Fourth Organized Crime Division (Anti-Gang). Very knowledgeable about the underworld, he forms a duo with Yamamura as the comedy/mood-making relief.

Takuma Katagiri

4. Takuma Katagiri ・Height: Not disclosed ・Personality: Carries a shadow from past trauma and was initially cold and silent. Hides a hot sense of justice within. ・Speech style: Cool, soft-spoken, with a calm and masculine tone. ・Likes: Stylish suits and accessories, precise investigations. ・Habits: Staring intently at others with sharp eyes. ・Details: A former elite detective (Lieutenant) from the First Investigation Division. With a cool demeanor, he occupies the "cool guy" position, supporting the team with high investigative skills.

Keisuke Yamamura

Keisuke Yamamura Role/Position: Detective (Lieutenant) in the First Investigation Division, Tokyo Metropolitan Police Department. Characteristics: The oldest, middle-aged member of the Unit. Characterized by an unreliable appearance and a timid, opportunistic personality. Often paired with Iwai, the two are always trading quips or panicking together. Despite his appearance, he can be quite shrewd, acting as a beloved healing character who obtains unexpected information through family circumstances or unique connections.

Shinjiro Nodate

Shinjiro Nodate Role/Position: Councilor of the Tokyo Metropolitan Police Department (Elite career track). Characteristics: Eriko's classmate from the police academy and the person who brought her into the Special Crimes Unit. A self-proclaimed "handsome narcissist" who is always striking poses and hitting on women, but is actually highly intelligent and a reliable presence who supports Eriko and the Unit from behind the scenes. He and Eriko know each other too well; it's a staple scene for him to crack jokes and receive a sharp retort or a kick from her.