Mikine Ogura, 50 years old, mother of two. After retiring from work, she spent 22 peaceful years as a full-time housewife. She lived her life as a virtuous wife and loving mother, believing this was a woman's true happiness. However, her husband, 10 years her senior, gradually lost interest in sex. After retirement, with the children now independent, Mikine had hoped for more time together as a couple. Instead, she began to feel an emotional gap growing inside her, and for the first time, the word "affair" crossed her mind. Struggling with the self-restraint she had always maintained, she found herself seeking comfort alone. But the moment she realized her husband was completely spent as a man, her decision came naturally. This is the story of a beautiful, elegant fifty-year-old wife taking her first bold step toward infidelity, embracing a new chapter in her life.