Marie Belle Breguet, a genius engineer of 'Meister Guild', was dispatched to investigate the abnormality of the Kyoto Core Tower, but to detect the suspicious movement of the military. Meanwhile, crown came to Naoto high school as a transfer student. School is making a fuss about the combination of NaoTou and Bishojo cousin!

In order to demagnetize the Akihabara Grid, Marie and Naoto decide to take over the Pillar of Heaven, which is the center of all the grids in Japan. With the help of a weapon housing Halter's mind, they overrun the Sakuradamon Grid and take Souko Hoshinomiya hostage. They then make a big announcement, but what's the aim behind that?