The story of a beautiful mermaid who gave up a kingdom for her beloved prince.
Mio is 20 years old. Having lost her parents early, she and her grandmother run a traditional inn in Nagano. However, her grandmother gets sick. Mio moves to Tokyo and lives with her father’s best friend, Kyosuke. He runs a public bath. She begins to work at the public bath, but it is scheduled to be demolished to make way for redevelopment.
During World War II, a teenage Jewish girl named Anne Frank and her family are forced into hiding in the Nazi-occupied Netherlands.
