Miki lived a happy life with her husband, Takuzo.However, due to the recession, Takuzo's company was forced into a financial crisis, and Ota, who was an exclusive driver, was laid off as part of the cost reduction.After losing her job and being kicked out of her company's dormitory, Miki, who has been indebted to Ota on a daily basis, worries about her feelings and decides to live in the attic without her husband's permission. I forgive.Then, a double life with three people that only her husband doesn't know begins, and she becomes Ota's sex slave while Miki hesitates.