Tozitend sends Kotatsu World to weaken the Zenkaigers and World Pirates' resolve with his namesake, leaving the heat-sensitive Juran to face the new World and Barishitara alone. In desperation, he uses a strange Sentai Gear unconnected to his Sentai predecessors to summon a new hero.

The Zenkaigers and the World Pirates encounter SD World, who possesses the Toziru Gear the latter group seeks to cure Cuttaner and Ricky. Even as SD World turns his gear into SD forms along with Kaito's teammates, a determined Zocks stakes everything he has to defeat SD World and finally end his brothers' curse.