In a quiet forest, far from any settlement, there lives a girl named Kuon Makami. Having lost her mother not long ago, she spends her days alone with the wolf pup who is her best friend. But the peaceful times come to an end when a strange pall falls over the forest, bringing with it occasional incursions of dark spirits.

Maika has become renowned throughout the land for sealing a nine-tailed fox youkai. Midway through another day of training apprentice priestesses, she is offered a shockingly daunting quest—