Goro Narumi operates as a detective in Centinel City's specialized Techno Police unit, possessing a husky build and cultivating flowers as a personal hobby. He forms part of the core trio alongside Ken and Eleanor, piloting the crime-fighting robot Vigobus—a machine distinguished by strength sufficient to immobilize hijacked MBT-99A tanks during critical missions.

His professional approach reflects extensive experience investigating cybercrimes and technological offenses, marked by analytical precision and methodical evidence processing. This operational style stems from a structured, principle-driven mindset centered on upholding justice and legal integrity.

Goro's personality merges reserved professionalism with decisive leadership. He maintains emotional detachment during investigations yet exhibits confrontational assertiveness when challenged. His behavioral patterns prioritize practical solutions and organizational efficiency during field operations and team coordination.