Ryūnosuke Takamatsu serves as a tactical support specialist for the Japan Safety and Promotion Company (JSPC). He typically operates remotely, orchestrating real-time guidance and mission coordination from vehicles or distant locations. Covertly, Takamatsu works as an infiltrator for the organization A Small House, making him a double agent within the JSPC; the specifics of his motivations and activities for this hidden allegiance remain undisclosed. His role extends beyond strategy to include active participation in field operations during combat deployments, demonstrating practical combat readiness alongside his tactical duties.