Yukiatsu Ryuuda hasn't lived an honorable life by any means. But after a run-in with one of the Youi, he discovers he has the power to repel the aggressive beasts and help the Ayashi rid the land of their evil influence. In the process of embracing his heretofore unknown talents, Yukiatsu is forced to reexamine his past, paving the way for significant change when it comes to making important choices in the future.