Having learned the truth about ZONAPHA syndrome, Narumi realizes there is only one way he can give children who suffer from it a chance of a future. He must destroy the automata the Midnight Circus uses to spread the disease. To do so he resolves to become a "shirogane" - a destroyer of automata. Meanwhile, Masaru and Shirogane have joined the Nakamachi Circus and encounter the mysterious Vilma.