In the world of the future, the blood of beasts runs hot. Spirit Masters have used their powerful abilities to curb the proliferation of magical beasts. Armed with nothing but a spirit master's blade, he has single-handedly led a mighty guild-the Blood Stewards-through his unique fighting style. With fiery red hair and a handsome face, in the eyes of women, he is the ideal dream lover; in the eyes of the government, he is a wanted criminal; and in the eyes of his enemies, his terror far surpasses that of demon-class beasts. "It is now the Steward's dinner time, my lovely lady. May I offer you a glass of Cani wine?"