Takaki and Akari are two classmates in elementary school. During their time together they have become close friends. Their relationship is tested when Akari moves to another city because of her parents’ jobs. Both of them struggle to keep their friendship alive, as time and distance slowly pulls them apart. When Takaki finds out that he is moving further away, he decides to visit Akari one last time.

Takao, who is training to become a shoemaker, skipped school and is sketching shoes in a Japanese-style garden. He meets a mysterious woman, Yukino, who is older than him. Then, without arranging the times, the two start to see each other again and again, but only on rainy days. They deepen their relationship and open up to each other. But the end of the rainy season soon approaches …