In their humble home, shy husband Taro and his reliable wife Ayane live together. One day, an arrogant uncle visits them unannounced, asking if he can stay for a while due to personal issues. Reluctantly, they agree to let him stay for a week. However, the uncle's behavior becomes increasingly outrageous; he smokes cigarettes and drinks alcohol openly around the house, even stealing Ayane's underwear! Fed up with her uncle's disrespectful actions, Ayane finally snaps and confronts him harshly. Enraged by her words, the uncle decides to take advantage of her vulnerable state and begins secretly drugging her daily with aphrodisiacs. A few days later, the uncle launches his attack on the now helpless Ayane...
