This anime just blew me away. The animation is very unique and interesting. The character designs are very good. It's the spinoff of the Bakeneko arc from the anthology series Ayakashi.
It's just Godly.
Set in feudal Japan. Mononoke shows how the Medicine Seller combats more spirits or "Mononoke" (a type of yōkai) using his wares. Just like in the Bakeneko story, he counts with a series of tools and his vast knowledge of the supernatural on his side, but only can release the sword that exorcises the Mononoke when he uncovers its shape (Katachi), and the truth (Makoto) and reasoning (Kotowari) behind its appearance.
D: Just watch it!