In a near future, the state has formed a new agency dedicated to saving lives amid the growing complexity of disasters, accidents, and crimes that surpass ordinary understanding. Known as the Mobile Emergency Police DRIVE HEAD unit, it blends expert police, firefighting, and rescue capabilities. The DRIVE HEAD is a sophisticated mobile platform that morphs between car and humanoid walking vehicle. Operators are highly skilled elementary students like Go Kurumada, who work alongside adult emergency police to swiftly respond to emergencies, ensuring public safety and maintaining peace for everyone.