"Being too sensitive is a real problem." Shiori Narumiya is 46 years old, a mother of two working in the administrative department of a building maintenance company. Even now, in her 16th year of marriage, she and her husband have sex once a week, but the passion is gone, and her feelings of dissatisfaction have been piling up. However, even with such bland sex, her overly sensitive body reacts intensely. Because she always climaxes, her husband never notices her frustration. Every time she sees her husband's back as he falls asleep with a sense of accomplishment, thinking he made her come again tonight, her longing for an affair grows. What she craves is a passionate moment that makes her heart race. Please witness the first infidelity of this beautiful-bodied wife.