Fuji foot. In the 17th year of the Meiji era, the prophet Osen saw monsters in a crystal ball. The crystal ball falls into the hands of Doshi Gonsuke, who plots to make the demons his own. On the other hand, Osen's disciple, Goro, traveled to Yokohama in the Meiji era to uncover the true identity of the monster! Not knowing what kind of trials await Goro...