A piece of Kyoto, one day that 1000 years had passed since the earth was destroyed and played back as a clockwork planet. Suddenly a black box fell down under Miura Nao, who lives surrounded by watch and gear with machine geeks -! It appeared from inside, crown of a beautiful girl's automatic doll (Automata). I tried repairing her by failing and not having to move, "sound" ....

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!

Successfully planned · Stop the purge of Kyoto Naoto and Mary, but there was no crown sister, Uncle. Short wave communication using illegal electromagnetic technology arrives under Mary who returned to daily life. A new conspiracy was hidden in the content that provoked Mary.

While Naoto and Marie are attempting to reconstruct the world, AnchoR goes off on her own to stop the Yatsukahagi's rampage. RyuZU, Halter, Vermouth are all fighting their own battles while hoping that the two could make a miracle happen. Can the two geniuses stop Gennai from destroying the world that Y had created?!