Due to her husband being laid off, Reika's marital relationship deteriorated, and unable to make ends meet, she started working part-time. Having been a full-time housewife until now, she struggled to adapt to work, but Jin, a younger man, taught her how to do her job, and their distance gradually closed… One day, Jin invited Reika out for drinks, saying he would hold a welcome party for her. Reika, who always had stiff shoulders, heard that he was good at massages, so she reluctantly agreed to go to his home alone for the first time due to his persistent invitation and the alcohol in her system…
