A long time ago, the orcs and humans fought endlessly for territory on this planet. As humans created the mechanical "Armed Warriors", the balance seemed to tilt in the direction of humans. However, as humans and the orcs discovered the shortcomings of the armed warriors, the two races jointly began to clean up those armed warriors. After that, the orcs and humans began to cooperate and formed a peacekeeping force to clean up the remaining and unrecycled armed warriors and deal with various problems on the planet.
