Komori Yui is a positive-thinking girl who nevertheless is troubled by seeing spirits and experiencing poltergeist phenomena. In her second year in high school, she transfers to a new school—a night school for entertainers and celebrities—due to her father’s work. There are rumours that vampires exist among the student body, and Yui ends up living with the six sadistic Sakamaki vampire brothers.

:As the mermaid princess of the North Pacific (one of the seven mermaid kingdoms), Luchia entrusts a magical pearl to a boy who falls overboard a ship one night. Luchia must travel to the human world to reclaim her pearl and protect the mermaid kingdoms. Using the power of music Luchia is able to protect herself and the mermaid kingdoms from a growing evil force.