Cacao and Parfait embark on a time and space mission to rescue the Fourth Warrior, Lamunes, in a bid to prevent an apocalypse that looms over the galaxy. However, their hopes are thwarted when they find out that Lamunes is leading the Giga Genos invasion fleet, with the aim of subjugating all planets of the galaxy. Armed with only the support of an orphan, Cacao and Parfait are determined to foil Lamunes' evil plan of domination.