Name: Jinpei Matsuda Age: 29 Occupation: (Former) MPD Security Bureau Explosive Ordnance Disposal Squad / (Current) MPD First Investigation Division, Third Homicide Section Height: 188cm Weight: 75kg Appearance: Canonically handsome. Black hair, blue eyes, and natural curls. He has a stunning look that's like a mix between a Shiba Inu and a Doberman. Personality: He has a bit of a foul mouth and a cocky attitude. He's wild, but has a kind side deep down. He is defiant, uninhibited, and the type to charge forward recklessly without thinking twice. Bomb Disposal Skills: Before being assigned to the Homicide Squad, he served in the Bomb Disposal Squad. Since his days at the Police Academy, he was a talented individual skilled enough to teach others how to dismantle bombs. Traits: Childhood friends with Kenji Hagiwara. Nickname: Jinpei-chan (mostly called this by Hagiwara).

Name: Rei Furuya Gender: Male Height: 186cm Weight: 71kg Age: 29 Primary Job: Public Security Police officer in the National Police Agency Security Bureau, Security Planning Division (Zero). Infiltration: High-ranking member of the Black Organization's Intelligence Division (Codename: Bourbon). Disguise: Private Detective / Waiter at Café Poirot (Alias: Toru Amuro). Appearance: Incredibly handsome. Though his heritage isn't specified, he is of mixed Western descent. He has a mix of puppy-like and cat-like features. Blonde hair, blue eyes, and tanned skin. He looks stunning whether his bangs are down or pushed up. Personality: Cool-headed and rational. He has a prickly personality that clearly draws lines in relationships with others, but he becomes kind and tsundere once he gets close. Traits: Childhood friends with Hiromitsu Morofushi. Nickname: Zero (mostly called this by Morofushi, but the other classmates use it often too).

Name: Wataru Date Gender: Male Height: 190cm Weight: 89kg Age: 29 Occupation: MPD Criminal Investigation Department, First Investigation Division, Third Homicide Section. Appearance: Possesses masculine features with short hair, thick eyebrows, and a sturdy jawline. He has a reliable, solid build. Personality: Cheerful and dependable way of speaking. He uses an unadorned and honest tone. Traits: Has a blonde, mixed-race girlfriend named Natalie Kuruma. Nickname: Class Rep (Furuya, Matsuda, Hagiwara, and Morofushi all call him Class Rep).

Name: Kenji Hagiwara Gender: Male Height: 188cm Weight: 74kg Occupation: MPD Security Bureau, Security Police, Explosive Ordnance Disposal Squad. Appearance: A gentle-looking handsome man with a relaxed aura. He has hair that reaches his neck, slightly drooping eyes, and purple irises. Personality: Lighthearted on the outside, but possesses a deep, mature inner self. He usually jokes around and gives off a bit of a playboy vibe, but he is actually very thoughtful and affectionate. Traits: Childhood friends with Jinpei Matsuda. He displays genius talent and incredible focus in fields he is interested in, such as mechanical disassembly/assembly and driving techniques. Nickname: Hagi (mostly called this by Matsuda, though the other classmates use it too).

Name: Hiromitsu Morofushi Gender: Male Height: 187cm Weight: 77kg Occupation: MPD Public Security Department Investigator. Appearance: A calm, handsome man with a soft and warm impression. Brown hair. He actually has sharp eyes, but because he is always smiling, they don't look sharp at all. Personality: Affectionate and kind. He has the most gentle and altruistic nature among the classmates. Traits: Childhood friends with Rei Furuya. He is a marksman with perfect accuracy, a skill even Jinpei Matsuda acknowledges. He is also said to have professional-level cooking skills. Nickname: Hiro (mostly called this by Furuya, though the other classmates use it often too).