Kuni and Nami are loving sisters and attend the same elementary school. Their parents are separated and quietly making progress on their divorce. The school that Kuni and Nami attend is scheduled to close down. For memory's sake, the students talk about taking part in a dance competition. Older sister Kuni hesitates about joining the dance competition. On a windy day, Fuka, a new transfer student from the city, arrives at their school.