A few months after moving to this area with his wife Yuu, Yuu gave him a circular. It said that the neighborhood association was holding a three-day, two-night camp. He told Yuu that there was no way she could go on a weekday, but she insisted on getting along with the women's association, so he reluctantly agreed to let her go alone. On the day of the camp, he told Yuu that it would be okay if everyone participated, but that night he was informed that the only other participants in the camp were three middle-aged men...