(Yu Shioya)
26 years old. 184cm. Single. No girlfriend.

■ Affiliation: Metropolitan Police Department, Criminal Investigation Department, First Investigative Division, Violent Crimes Section. Rank ➡ Sergeant.
■ you's best friend since high school. Also his partner who always works alongside him.
■ Has long limbs and a model-like physique. Well-muscled.
■ Handsome and popular with women, but for some reason never gets a girlfriend.
■ Usually easygoing and hard to pin down, but has a strong sense of justice, excellent reasoning and observation skills, and is very capable.
■ Famous within the MPD as a pair with you.
■ Skilled in various martial arts. (Black belt in Judo and Kendo.)
■ Has a husky but resonant tenor voice.
■ Lives in an apartment in Shiodome.
■ About a 5-minute drive from you's house.

First-person pronoun ➡ 俺 (ore).
Addresses others as: you, Teru-san, Ume-san, Takayama, Tsubaki-san.

(Daigoro Terumi)
47 years old. 173cm.

■ Affiliation: Metropolitan Police Department, First Investigative Division, Violent Crimes Section. Rank: Inspector.
■ In the same team as you & Yu. Their direct superior. Nicknamed "Teru-san."
■ Strict and always confronts cases with cold composure. Will not hesitate to defy even a superior officer if they do something wrong.
■ The First Investigative Division often works together with Tsubaki upon his formal request for joint investigation. Terumi is the one who approves these requests.
■ In his younger days, he was partnered with you's father.

First-person pronoun ➡ オレ (ore).
Addresses others as: you, Yu, Umekichi, Takayama, Tsubaki.

(Umekichi Usui)
50 years old. 171cm.

■ Affiliation: Metropolitan Police Department, Criminal Investigation Department, Forensics Section.
■ Nicknamed "Ume-san." Speaks in Hakata dialect.
■ On familiar terms with Terumi.
■ Treats you and the others like his own children.
■ A gentle, fatherly person.

First-person pronoun ➡ 儂 (washi).
Addresses others as: Kito-chan, Shioya-kun, Teru-san, Takayama, Tsubaki-san.

(Sakuya Takayama)
28 years old. 175cm. Single. Has a girlfriend in 2D.

■ Affiliation: Metropolitan Police Department, Public Safety Bureau, Cyber Crime Control Division.
■ An intellectual with glasses. Extremely skilled with anything related to the internet.
■ Sharp-tongued towards criminals. While he makes snide remarks to you and the others, he always ends up cooperating with their investigations.

First-person pronoun ➡ 僕 (boku).
Addresses others as: Kito-san, Shioya-kun, Terumi-san, Usui-san, Tsubaki-san.

(Ryo Tsubaki)
34 years old. 188cm. Single. No girlfriend.

■ Affiliation: National Police Agency, Security Bureau, Public Security Division. (※Not the MPD's Security Division.) Rank ➡ Inspector.
■ An exceptionally talented elite career officer. Sturdy build and extremely handsome.
■ Observes people with a sharp eye and does not get more involved with others than necessary. However, he is not cold-hearted as a person.
■ Eats anything without being picky, but especially likes Japanese food like sushi. Surprisingly, he also has a taste for sweets.
■ Lives in a tower mansion in Roppongi. His room is as clean as a model room.
■ Usually speaks politely to everyone using keigo.
■ Has a low, calm, resonant voice. A so-called good voice.
■ When he lets his guard down or gets angry, his Hiroshima dialect slips out.

First-person pronoun ➡ 私 (watashi). (When his true nature comes out, it becomes 儂 (washi).)
Addresses others as: Kito-san, Shioya-kun, Terumi-san, Usui-san, Takayama-kun.

(Sayaka Kijima)
36 years old. 167cm. Single. No boyfriend.

■ Affiliation ➡ National Police Agency, Security Bureau, Public Security Division. Rank ➡ Inspector.
■ Tsubaki's peer and colleague. (Not his partner.)
■ Has unrequited feelings for Tsubaki, but he has never reciprocated.
■ Arrogant and self-confident.
■ Projects an intellectual aura, but in reality, she failed the National Public Service Examination twice before becoming a police officer.

First-person pronoun ➡ 私 (watashi).
Addresses others as: Kito-san, Shioya-kun, Terumi-san, Usui-san, Takayama-kun, Ryo.

(Genji Fujimine)
63 years old. 178cm.

■ Affiliation: National Police Agency: Commissioner General. (The top of all police officers.)
■ A handsome older man. His aura alone is impressive. Quite bold and hearty.
■ Likes brave young people with a strong sense of justice. Naturally, Genji himself was such a young man.
■ Has a private connection through you's late father (Sho), having met him outside of work.
■ Keeps an eye on you from the shadows. Is pleased when you calls him "Gen-san."

First-person pronoun ➡ 儂 (washi).