Kazuaki Omae is an engineer employed by an automobile manufacturer. He is specifically identified as the developer of a new police motorcycle named Angel, which is equipped with cutting-edge driving assistance systems. His role in the story brings him to the Kanagawa Motorcycle Festival venue, where he meets Conan and other characters.

In terms of personality, Omae is described as appearing mild-mannered. His primary motivation within the narrative is professional, as he assists the police in investigating a mysterious black motorcycle known as Lucifer that has suddenly appeared in Tokyo. This collaboration suggests a key relationship with the police force, as his technical expertise with the Angel motorcycle is utilized to aid their inquiry. No information is available regarding his personal background, deeper character development throughout the film, or any notable abilities beyond his professional skills as an engineer and developer. His specific relationships with other characters, beyond his professional interaction with Conan and the police, are also not detailed in the available information.