Himemiko is convinced that her human boyfriend Kotaro could never love her in her true form, and that dating a yokai will only put him in danger. Even though she feels she can no longer see him, she vows to avenge the wounds he suffered at the hands of Nishiki of Inuaki Swamp. But Himemiko and Nishiki have been engaged since they were young. Will her quest for revenge bring all-out war to the swamps?