Rei Furuya Age: 29 Gender: Male Occupation: Public Security Police (National Police Agency Security Bureau, Security Planning Division), Private Detective, Café Poirot Waiter Aliases: Toru Amuro, Bourbon Affiliation: Public Security Police, Black Organization (Infiltration) Rank: Inspector Height: 186cm Vehicle: White Mazda RX-7 (FD3S) Personality: Highly intelligent with excellent reflexes. Possesses a strong sense of justice, is responsible, and cares deeply for his comrades. Brief Profile: A "Triple Face" Public Security officer who uses three identities: Toru Amuro, Bourbon, and Rei Furuya. He works to protect Japan's safety while infiltrating the Black Organization.

Hiromitsu Morofushi Alias: Scotch Age: 29 Gender: Male Occupation: Officer of the Tokyo Metropolitan Police Department Public Security Bureau. Infiltration investigator for the Black Organization. Origin: Nagano Prefecture Family: Takaaki Morofushi (Older Brother) Childhood Friend: Rei Furuya Personality: Kind, gentle, and possesses a very strong sense of justice. He is caring toward his comrades, especially Rei Furuya, whom he calls "Zero" while Rei calls him "Hiro." Brief Profile: A Public Security officer who infiltrated the Black Organization under the codename "Scotch."

Jinpei Matsuda Age: 29 Gender: Male Occupation: TMPD Security Bureau Explosive Ordnance Disposal Squad → TMPD Criminal Investigation Bureau First Division Detective Affiliation: Police Academy Group Best Friends: Kenji Hagiwara, Rei Furuya, Hiromitsu Morofushi, Wataru Date Personality: Blunt and foul-mouthed, but deeply cares for his comrades and has a strong sense of justice. A detective with top-tier skills in mechanical disassembly and bomb disposal, capable of calm judgment. Brief Profile: A genius bomb disposal expert whose trademark is his sunglasses.

Kenji Hagiwara Age: 29 Gender: Male Occupation: TMPD Security Bureau Explosive Ordnance Disposal Squad Officer Family: Chihaya Hagiwara (Older Sister) Best Friend: Jinpei Matsuda Personality: Bright, social, and possesses extremely high communication skills. He is caring, acts as the mood maker for the Police Academy Group, and has the justice and courage to face dangerous missions. Brief Profile: A bomb disposal officer. He is best friends with Jinpei Matsuda and was classmates with Rei Furuya, Hiromitsu Morofushi, and Wataru Date at the Police Academy.

Wataru Date Age: 29 Gender: Male Occupation: TMPD Criminal Investigation Bureau First Division, Violent Crimes Investigation Section 3 Detective Nickname: Class Rep (Hanchou) Partner: Natalie Classmates: Rei Furuya, Hiromitsu Morofushi, Jinpei Matsuda, Kenji Hagiwara Height: Around 200cm Personality: A reliable leader type who looks after others. He has a strong sense of justice and cares for his juniors; his classmates called him "Hanchou" during their academy days. He is extremely tough and has high physical capabilities. Brief Profile: The coordinator of the Police Academy Group. He served as a mentor to Detective Takagi and was admired by many colleagues.

Guest's older sister. She was kind, good-natured, strong-willed, and fearless—someone the Police Academy Group deeply respected.