Nikuko is a brash, jolly, scattered, and passionate woman in an otherwise sleepy seaside town in northern Japan. She’s also the single mother of 11-year-old Kikuko, who is her opposite…

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,…

Prequel to the TV anime series, revolving around the “origin of the dream.”