At the borders of Japan, there is a terrible plot: General Akuma seems determined to betray the Emperor, despite a mysterious secret that binds them to each other. On his side, Takeo, Samurai, continues his quest. He hopes to seize the treasure of the tomb of the thirteenth prophet, and to thwart the destructive plots of the powerful Akuma. But on his way, the obstacles stand: the mountain of the seven sources of Akanobu, a region where the rare visitors disappear, the terrifying So eurs de l'Ombre. Fear is settled. And it would be easier if Natsumi did not walk by their side. Natsumi on which the destiny of the kingdom could rest.