It all began with a chance reunion. The man who came to sell the repair work was Shimoda, a senior member of the rugby club where Chiharu was manager during her school days. Shimoda was also Chiharu's first boyfriend, but the relationship naturally faded away when Shimoda graduated, and Chiharu heard through the grapevine that they got married soon after. After more than a decade apart, the distance between the two of them has narrowed again. Meanwhile, the distance between her and her husband, who is often away for work, continues to grow. And then...