Little Towa lives with his parents Satsuki and Yuichi in a coastal town on Nagashima. Yuichi is a fisherman, Satsuki runs a restaurant. What Towa doesn’t know is that he is adopted. As a baby, he was abandoned in an internet café, completely emaciated. While his new parents are secretly fighting for custody of him and want to protect him from his past, the family’s happiness begins to falter. Satsuki and Yuichi aren’t the only ones who are worried about Towa’s future.