Based on the manga by Akimi Yoshida.
Suzu didn’t know her birth father – her parents divorced when she was still young. Her mother died, and the girl lived with her stepfather’s family. When she was told that her father had died, Suzu was confused. But at the funeral she met her three half-sisters, whom she had never seen before. They treated Suzu warmly, and the girl moved in with them. Thus began their life in the ancient seaside city of Kamakura…..