It's one Friday. The story begins when Yumi meets her husband's subordinate, Abe, who came to send her drunken husband. My husband and Yumi are busy with each other's work, and I only have the opportunity to work at night on Fridays ... Yumi was unknowingly soliciting desires. And a few weeks later, Yumi was frustrated by Abe who came to send her drunken husband again. From that day on, the two will seek each other's bodies only on "Friday" ...