Detective Yamabuki is a member of Division II of the Tokyo Metropolitan Police Department, where he serves as a direct subordinate to Inspector Ginzo Nakamori. His role within the law enforcement structure is that of a key assistant to Nakamori, often acting as a leader for the teams assigned to carry out the inspector's orders during heist operations.

Yamabuki appears in several episodes of the Magic Kaito anime, including The Reminiscent Golden Eye. His primary function in the story is to support Inspector Nakamori in the ongoing efforts to apprehend Kaito Kid. As a member of the task force dedicated to capturing the phantom thief, he participates in the security arrangements and pursuit efforts that form a central part of the series' narrative.

No information is available regarding Detective Yamabuki's background, personality, motivations, development over the course of the series, or any notable abilities he may possess. Similarly, there is no information concerning his key relationships beyond his professional connection to Inspector Nakamori.