Reika's relationship deteriorated due to her husband being laid off, and she started working part-time because she couldn't make ends meet. Since she was a full-time housewife, Reika had a hard time getting used to her job, but as she learns how to do it at work from a younger man named Jin, the two of them gradually become closer...One day, when Reika holds a welcome party, Jin invites her out for drinks. Reika, who has been suffering from stiff shoulders for a long time, asks Jin to come over to his house because he is good at massaging her, and since Jin's forcible invitation is alcoholic, she cannot refuse and ends up going to the house of a younger man who lives alone...