Reiko is a single mother who works hard at cleaning for her family. A trap of desire of men who degrade such Reiko. Reiko accidentally blows on the male genitalia while cleaning the toilet. The director who witnessed it blames REIKO for the loss of confidential information and takes advantage of the woman's weakness. Her voluptuous body is messed around in front of a large number of employees, and she is violently attacked with toys and fucked.