Sword of the Demon Hunter: Kijin Gentosho (Manga) Vol. 4

INVISIBLE AND INNOCENT Jinya, now settled in the town of Edo, has been hunting down demons to make a living.
Always alert to new rumors of incidents involving demons, he hears about a peculiar case of street murders while eating at his usual soba shop. He goes to investigate at once, but what awaits him there is a demon who can make himself invisible. Faced with Jinya and his demon strength, the stranger cries innocence–is there really something else afoot in Edo?
Series Overview: Edo period, Japan. A young warrior, Jinta, has dedicated his life to the protection of a priestess in a remote mountain village. When demons appear and threaten the shrine, Jinta is tasked with entering the forest to hunt them down. But the mysteries he uncovers there change his fate forever, and send him on a journey traversing space and time. Jinta’s dark destiny will carry him through hundreds of years of history, as he struggles to answer a single question: why does he wield the sword?