Yukari has been living alone since her husband died. After a while, she decides to let her nephews, Seiichi and Ryoji, stay as a boarding house, and her house quickly becomes lively again. However, her body can't help but feel lonely, but her late husband makes up for it by keeping her armpit hair, which he liked. One day, Ryoji came home looking thoughtful. When he visited, he said, ``I can't help but worry about my aunt's armpit hair.''