About the book: 2020 / In a powerful empire where shoguns rule, and ancient laws and ancient arts coexist with smart machines and new technologies, young Yukiko and her father , the valiant warrior Masaru, at the whim of the ruler, go in search of the Arashitora, a terrible mystical monster from folk legends. They say that the Arashithors have long since died out, and the fate of the hunters is sad: they will either return to the shogun with nothing, risking being executed, or fall into the clutches of a ruthless monster that no one has been able to capture.