Juuko Tokusou Dinnovator

A mysterious group of invaders, the Vionators, suddenly appear from the interstices of time and space. They attack humans one after another, and their next target is the pretty maiden, Tsubasa Miku, who aspires to be a ballerina! Miku is helpless in the face of these vicious monsters. But then two young men appear and tell her "You are the chosen warrior, the Dinnovator. Come fight with us!" Miku is confused. But the monster is already in front of her...! What should she do? And what exactly is the Dinnovator?