Mouryou Kiden: Legend of the Nymph (魍魎姫伝, Mōryō Kiden) is a manga written in 3 parts by Tamayo Akiyama, a former member of the all-female Japanese mangaka group Clamp.
Mouryou Kiden takes place in a world hidden in fog, which is ruled by Mikage, the goddess of light.
The daughter of the goddess of darkness, Ayaka, attacks the Fuyo Palace in order to destroy the Pillars of the Sun and revive her mother.
Instead she meets Kai, the son of Mikage, and instantly falls in love with him.
When Kai, who doesn't know who the girl is, speaks about her, calling her a monster, she flees crying.