Hamaji's brother asks her to help hunt down half-human, half-dog beings that steal human souls.
Fuse are hybrids between humans and dogs, who live in Japan in the Edo period. It was said that they kill people to feed themselves with their souls. Due to this rumors, the Shogun put a price on their heads. Hamaji is a young huntress, who lives in a rural area of Mutsu. When her grandfather dies, she receives a letter from her brother, who lives in Edo; he says to her to go to live with him and help him in the hunt of the Fuse. But, when Hamaji comes to Edo, she meets a mysterious young guy with white hair, who is being pursued by some men... His name is Shino...—Ývil
After the death of his grandfather, Hamaji, a hunter, leaves his house in the mountains. In the city, she hears rumors about creatures known as the "Fuse", which descended from humans and dogs devour human souls. While looking for hosting, she meets Shino, a young man with white hair and a mask puppy.
