After Dylan moves to Osaka, a strange interaction grants him the power to see demons and monsters from Japanese folklore. Burning with a desire to help the people being harmed by these terrible forces, Dylan finds an answer in the devastatingly beautiful and mysterious Ayane.

Through her, Dylan learns there are more sinister and deadly monsters than anyone could imagine. Evil yokai have plagued Japan for centuries and the threat is escalating.

But not all yokai are evil. Will his new-found power be enough to protect the innocents and vanquish the spawn of the abyss?