A collection of three classic Japanese horror stories: "Yotsuya Ghost Story", the story of a wife betrayed by her husband who seeks vengeance even in death. "The Legend of Tenshu", the story of forbidden love between a goddess and a human, and "Bakeneko", the story of a mysterious cat monster with a vendetta against a certain family.

As one of the seven mermaid princesses, Lucia must travel to the human world to protect the mermaid kingdoms.