Momoko is estranged from her husband, who is working alone, and spends boring days commuting between his part-time job and home. One day, she becomes interested in her student colleague, Hosoda, and takes the plunge and invites him out for drinks... From that day on, the two began a time-limited affair, and continued to have intense and intense infidelity all over the place while they were at work. Momoko continues to be raped violently over and over again during the infidelity that unfolds in a limited time, and before she knows it, when her shift starts, she is constantly wetting her crotch...