In the kingdom of Avara, where gods, demons and mortals exist side by side, there lived a girl named Miuko, who had long resigned herself to the unremarkable everyday life of an innkeeper's daughter.

The day her lips met After a bittersweet kiss with a demon, Miuko was cursed and became an outcast. Gradually, the girl herself begins to turn into a demon, whose touch kills all living things. Now she has only one way: to go in search of an antidote in order to regain her former appearance. With the help of a charming young man in the guise of a magpie and a mysterious demon prince, Miuko must outsmart her enemies, hide from hunters and meet the Moon Gods.

But remaining an uncontrollable demon may be Miuko's only chance of salvation ?