There are two worlds in this house. One where a mother and daughter reside, and another where two women reside. The two worlds begin to cross, gradually disrupting the lives of those involved. What will happen when everything connects?
The Tama River, where the water flows along the border between Tokyo and Kanagawa, pours into Tokyo Bay and the large sky spreads out. People who enjoy sports, lovers who are close to each other, students who practice singing, by the riverside, which is rich in nature, people who ride bicycles come and go as they please. Spring of 2020 corona disaster of people who spend their days along such a river.
Sara and Ryo have been going out for 5 years. They take a trip from Tokyo to nearby Atami in November of 2017. Ryo is 28 years old and is getting ready for married life, but Sara isn't into the idea. More than antipathy to marriage, she resists the nebulous existence of the future itself.
