It was a Japanese animation Series. Planet Maris was invaded by strage aliens,the Nozas, they planned to exterminate all the population of the planet so they could reproduce. Fortunately the only weapon capable of destroy these enemies, the zillion pistol, was in charge of humanity. Three agents were trained to use these pistols, J.J. Champ and Apple. The very first anime ever produced by Production I.G. originally from Tatsunoko Productions.