Mimizuku, a small girl with chains on her wrists and ankles and the numbers "332" branded onto her forehead, wanders into the Forest of Night seeking to be eaten by a monster. However, when the ruler of the monsters, the mysterious and beautiful "King of Night," refuses to eat her, she tries to formulate a way to convince him otherwise.

Vion, a country that entrusts its destiny to the omniscient heaven. There was a princess who was abandoned in the downtown area by fortune-telling and lived by spitting out cursed words. In the tour of the stars and gods, the girl is recalled to the castle and forced to marry a neighboring country. Deprived of the voice, the only weapon. Embracing a star stone, the girl heads with despair. In the night forest infested with monsters, in the nearby Holy Sword Country Red Ark. The girl was greeted by a prince with unusual limbs, blessed by the King of the Night.