Eight years into her marriage, housewife Yuka desired to have a child. However, constantly enduring her husband's stress-fueled outbursts had taken its toll, and their intimate life had been nonexistent for about three years, leaving her resigned to her situation. One day, she bumped into a man named Hideki while returning from shopping, sparking an acquaintance that gradually developed into a close relationship. What began as simple neighborly interaction slowly turned into mutual attraction. Despite feeling guilty toward her husband, she ended up sleeping with Hideki. Experiencing physical intimacy with a man for the first time in years, Yuka found her heart increasingly drawn to him, falling deeper under his spell.