Shō Hinakawa operates as an Enforcer in Division 01 of the Public Safety Bureau's Criminal Investigation Department. His gray eyes and messy red hair, typically covering his left eye, accompany a standard uniform of black suit, white shirt, and black tie—distinctly lined with bright purple on rolled-up sleeves. For field duties, he wears a light brown hooded jacket fastened with frog closures. Personality reveals a reserved individual who speaks little, yet exhibits exceptional skill in hologram technology; he notably detected Kirito Kamui's holographic disguise undetected by others. His advanced expertise extends to distinguishing drugs. Frequently uttering "Daijoubu," he battles severe depression leading to medication addiction, though his professional competence remains unaffected. He sustains himself on 2-3 hours of nightly sleep, daily vitamin supplements, and self-blended soft drugs. Born December 26, 2094, in Tokyo-to's Nakano-ku, Hinakawa stands 175 cm tall and weighs 55 kg. Formerly a holography designer and drug recycler, he now serves as Hound 4. His physical capabilities include running 50 meters in 10.3 seconds, with eyesight at 0.7 (left) and 0.9 (right). He shares deep mutual trust with Inspector Akane Tsunemori, addressing her as "big sister" and maintaining regular contact despite superiors' objections. His guiding motto is "To protect Onee-chan." The Sibyl System rates his compatibility A+ with Kazumichi Irie and D- with Arata Shindo. Proficient in VR hockey, his hobbies involve drug distinguishing and collection searching. Favorite food is supplement kake gohan, while he dislikes cannabis and cites conversation as a weakness. He aspires to own a Transformation Hero series buckle. Valued readings include "Speed" by Ishimaru Genshou and "Passing Through the Middle of Eternity" by Nakajima Ramo, cherished for their encouraging narratives.