Five young superhero ninja employed by the International Science Organization oppose an international terrorist organization of technologically advanced villains who are trying to control Earth's natural resources.

Chu Zumo is the story of an old farmer who discovers a group of rats heading to a sumo wrestling bout. After they lose miserably he decides to feed the rats to boost their chances of winning.

A young boy is tired of the city and escapes into the country. Two strangers trade him a strange seed. The boy accepts and the seed sprouts into a miniature planet, which continues to grow.