Planet of 7 Colors

In the universe, where all living beings are robots, a Rainbow Planet is home to 7 countries that correspond to each colour of the rainbow. The planet has colourful dome around it protecting it from outside danger. Meanwhile, The Dark Planet controlled by the Black Hole King searches around finding, then feasting on other planets for energy. One day, the Dark Planet stumbles upon the Rainbow Planet, and tries to eat it, but cannot due to its dome, however the 7 countries on the Rainbow Planet are in world war. Unintentionally causing the dome to weaken, and the prince of the Dark Planet, Prince Zebra, knows about this weakness. Thus Prince Zebra taking on the mission to escalate the war quicker by being sent to the Rainbow Planet. Amongst the chaos of war, a young man named Fredo is gifted with powerful abilities, and wants to make peace with the countries. Uniting them against The Dark Planet.