Planet Protector

In the vast universe, many civilizations are far more advanced than humanity on Earth. When the insectoid race invades the Milky Way, seeking to seize Earth's resources, Atulos, the guardian of the Solar System, leads his mecha warriors in driving back the invaders. However, Atulos is gravely wounded in the battle and must choose a new guardian for the Solar System. At this moment, the rapidly rising human civilization catches his attention...