In Heian Kyoto, monsters are out and about, lurking in the shadows wherever you look! Fujimine, raised far from the capital deep in the mountains, meets a beautiful demon one day, and in the blink of an eye, the demon slays before him a pair of bandits. But--who's this little cyclops creature hanging around the demon? What are these demons, and...what do they want? Step into this fantastic romantic world where the lines are blurred between humans and demons, men and women!