At the end of the 20th century, the world faces the destruction of mass earthquakes, bad weather and other abnormal phenomena. In Tokyo Sotsun Kai, a boy who lost his mother when he was very small, practicing Kendo every day, because his goal in life is strong. As always, his rival Mirai Kanama wins him, and Sestun is sad. On the way home, a messenger from the world of the devil appears in front of him. This messenger proclaims that various abnormal changes in the world's work of the devil. The world will come to an end if the devil will not be conquered. The only ones who can save the world are "Devil's Children." So begins the adventure of Satzun in the world of the devil. RebelliousArt: The child develops strength to save the world from monsters. He joins the other who looks like him.