Sumire, married to a man who runs a small construction company, is forced to help out as a server for his employees due to financial struggles caused by the economic downturn. One day, an employee demands a more luxurious lunch, and when Sumire refuses, citing budget constraints, he responds by shouting, "Then at least let us have your body instead!" From that moment on, the employees begin making one sexual demand after another. Unable to resist, Sumire gradually loses her sense of self and ultimately falls into a life as their sex slave.