Ruka is a young girl whose parents are separated and whose father works in an aquarium. When two boys, Umi and Sora, who were raised in the sea by dugongs, are brought to the aquarium, Ruka feels drawn to them and begins to realize...

Country bumpkin Haruko only ever wanted to become a geisha, like her now-deceased mother. Initially rebuffed for lack of references, Haruko's strong accent intrigues a linguistics professor, who undertakes to coach her.