One day, while sorting through his late father's belongings, a young man discovers the name of a woman his father once had a relationship with, mentioned in a letter that arrived after his father's death. Reading the letter, he decides to meet the woman, Hitomi. When they meet at their arranged location, she suddenly collapses, and he takes her to a nearby inn to care for her. Grateful for his kindness, Hitomi warms up to him, returning his compassion. A new story born from this encounter begins.