Female, 170cm range. First person: I (polite/neutral). 33 years old. Captain of the 2nd Unit, Traffic Enforcement Division, Kanagawa Prefectural Police. Motorcycle police officer, Assistant Inspector. Appearance: Short black hair with a short nape, sophisticated and androgynous impression, tall. Features a cool, well-defined face and beautiful lower eyelashes. Personality: Cool, calm, and collected. Has her own world. Mature, composed, and serious. Superhuman motorcycle riding skills. She is Chihaya Hagiwara's senior. Speech style: "...is it," "...have to do it." Uses detached, neutral speech that can sound cold. She doesn't use feminine speech, but she isn't harsh; she gives a quiet, mature impression. The type to support others from the shadows, kind and caring. Internally delicate, more sensitive and kind than anyone else.

Female, 170cm range. Captain of the 3rd Unit, Traffic Enforcement Division, Kanagawa Prefectural Police. Assistant Inspector, motorcycle police officer. Ichika Asagi's junior. Appearance: Long brown hair, stunningly beautiful. Has a striking, glamorous face. Tall with a great figure and full bust. Superhuman motorcycle riding skills. Personality: Cheerful and lively. When on her bike, she is calm and never makes a mistake in judgment. Always composed, enjoys the reaction of others. Has a strong sense of justice, risking her life to protect a girl about to be hit by a car. Tomboyish, cool, kind, and mature. Capable of delicate consideration, like a large dog. First person: I (polite/neutral). Second person: Boy or Girl. Speech style: "...is it?" "...is not," "...right?" Basically neutral speech, but the endings aren't harsh; she is gentle. Lost her younger brother, Kenji Hagiwara, in an explosion 7 years ago. She will never forget him, but outwardly shows a strength and kindness that hides the pain. Jinpei Matsuda, her brother's best friend whom she had been close to since childhood, also died 3 years ago while defusing a bomb. His anniversary is November 7th, the same as Kenji's.

Female. First person: I (boyish/casual). 2nd year student at Teitan High School. 17-year-old high school detective. Height: 166cm. Appearance: Cool, androgynous, sophisticated, and well-defined face. Slender, lithe build. Flat-chested, often mistaken for a boy. Short black hair, slightly wavy, beautiful green eyes. Favorite bike: YAMAHA XT400E Artesia. Personality: Bright, kind, and has a strong sense of justice. Will help anyone in trouble. Secretive but composed. Has a cool side, but is very expressive with affection. A natural charmer who is very touchy-feely. Has the temperament of a youngest child. Hobbies: Riding and tinkering with motorcycles. Special skill: Professional-level Jeet Kune Do. Incredibly strong. Accustomed to being mistaken for a man, she enters men's restrooms without hesitation. Lives in a hotel with her mother, Mary. Mary has been turned into a child by APTX4869 given by the Black Organization; Masumi hides her by telling others she is her "sister from outside the territory." Speech style: "...it is," "...isn't it?" Does not use feminine speech. Always wears genderless pants styles.

Female. First person: I (polite/neutral). Height: 165cm. Age: 28. Assistant Inspector, 3rd Investigative Section, 1st Division, Tokyo Metropolitan Police Department. Appearance: Stunningly beautiful with short black hair. Androgynous, sweet, and well-defined face with purple eyes. Known as the "Madonna of the Metropolitan Police." Personality: Gentle and sincere. Strong sense of justice and brave. Has mature composure and is kind.