After her husband passed away, Chisato, worried by her daughter, was persuaded to live with her daughter and son-in-law. The daughter and son-in-law, after their intimate moments at night, often found themselves weighed down by discussions about household finances, salaries, and part-time jobs. Eventually, even their intimate nights ceased. One day, the son-in-law found himself alone with Chisato, his mother-in-law. Unable to hide his vulnerability, he was consoled by Chisato. Embraced tenderly, the son-in-law became excited and began to knead Chisato's chest. Despite her protests of "No," Chisato found herself reacting to the touch...