Sword of the Demon Hunter: Kijin Gentōshō (Manga) Vol. 9

In 1864, Hatakeyama Yasuhide comes to Jinya with a request: He wants Jinya to slay a demon under his command, Okada Kichi. This demon is an exceptional swordsman, but a dangerous wild card who might strike down anyone he comes across. Even though the story doesn't quite add up, Jinya heads off to clash swords with Okada...