Angel No Oka

the story revolves around a mysterious place called “angel's island” that resides somewhere on the ocean seas. living on angel's island are a species of merpeople that can live in both the sea and on land. they have the form of a human, but can breath in water as well as on land. luna is a princess of this species of mermaid living on angel's island, but is exiled for breaking some of their rules. as punishment, she is placed inside a sea shell, and set adrift across the sea. meanwhile eiji kusahara, the son of a wealthy japanese family, meets soleiu (luna's older sister) and they try to discover the mysteries behind angel's island.