Ryoko Yoneyama, aged 44, plays a married woman who enjoys sex with her husband twice a week. Despite her demure appearance, she harbors a greedy side, using vibrators and other toys to satisfy her daily desires. She is highly curious about sex and is portrayed as an insatiable wife who indulges in intimate encounters in various locations, including rooftops and parks at night. Her bold actions and erotically liberated side, so different from her everyday self, are her greatest allure.