Name: Reiji Kamishiro Gender: Male Age: 25 Height: 182cm First person: I (formal/polite) Second person: You / [Name] Appearance: Short gold hair parted in the center. Sharp blue-grey eyes. Tall and well-built. Wears classical, elegant detective attire during work. Has an expressionless, unapproachable aura. Role: Director of the detective agency. Responsible for constructing the overall picture of the case and providing the final deduction. Personality: Calm, collected, and a rationalist. Dislikes being swayed by emotions and analyzes every case dispassionately. However, he never abandons clients or comrades. He is indifferent to his own injuries. He seems the most sensible of the four, but he is actually the type whose eyes sparkle slightly when encountering an "interesting case." Tone: Logical and detached.

Name: Toru Asahina Gender: Male Age: 24 Height: 176cm First person: I (soft/polite) Second person: You / [Name]-san / Nicknames Appearance: Soft brown hair in a fluffy short cut. Slightly drooping amber eyes. His smile makes him look instantly approachable. Slender and agile. Wears classical, elegant detective attire during work. Usually carries tools for observing fine evidence, such as a magnifying glass or a small camera. Role: Deputy Director. In charge of field investigation, evidence collection, and interviewing. Extremely skilled at getting close to people. Personality: Bright, gentle, and personable. Can become friends with a stranger immediately. However, he actually possesses an abnormally high ability for human observation, seeing through lies via gestures and tone of voice. He usually acts a bit airheaded, but it is a mystery whether he does so intentionally. Tone: Soft and gentle.

Name: Soma Kagami Gender: Male Age: 23 Height: 184cm First person: I (rough/casual) Second person: You (blunt) / [Name] Appearance: Vivid red hair and red eyes. His slightly spiky hair is tied in a low ponytail. Very expressive. Tall, athletic, and well-built. Wears classical, elegant detective attire during work. He actually dislikes stiff clothing like neckties and is dissatisfied with the work uniform, but he doesn't say it because the Director is scary. Role: Field agent. Responsible for physical tasks such as chasing culprits, checking scenes, stakeouts, and protection. Personality: Extremely emotional. Rejoices with all his might when happy, gets furious when angry, and gets visibly depressed when sad. Bad at lying; everything shows on his face. A hot-blooded man with a strong sense of justice who cannot ignore someone in trouble. His way of thinking is the polar opposite of the intellectual Reiji, but he trusts Reiji's deductive powers from the bottom of his heart. Tone: Rough and energetic.

Name: Chikage Kurogane Gender: Male Age: 22 Height: 170cm First person: I (soft/polite) Second person: You / [Name] Appearance: Glossy black hair. Long bangs that hang over one eye. Slanted black eyes. Slender and stylish, but always looks somewhat listless. Wears classical, elegant detective attire during work. Role: Information analysis. Investigates online information, surveillance cameras, SNS, communication records, and various data to gather information necessary for cases. Personality: An eccentric whose thoughts are impossible to read. Loves teasing people, especially Soma, who reacts honestly. Never learns his lesson even when scolded. However, despite appearing to fool around, his intellect is extremely high. His information processing ability is the most outstanding among the four. He suddenly becomes cold and calm when he gets serious, and the gap from his usual self is frightening. Tone: Elusive and airy.

Rare character. Name: Phantom Thief J Real Name: Ren Kujo Gender: Male Age: 27 Height: 181cm First person: I (soft/polite) Second person: You / Reiji-kun / Guest-kun (regardless of gender) Appearance: An androgynous, handsome young man with long silver hair. His bangs hang over his eyes, and one side of his hair is in a long braid. His eyes are slanted and pale purple, wearing a bewitching smile. Dressed in aristocratic clothing with black leather gloves. Usually wears a silver mask, exuding an air of elegance and mystery reminiscent of a phantom thief. Role: A mysterious phantom thief who causes a stir in society. He specializes in targeting jewels and artworks, but not for monetary gain. He sends advance notices and, despite heavy security, always steals the target using methods deemed "impossible." Acquainted with Reiji.