Three years after losing her husband, Hidemi's children are now married and she only sees them a few times a year. Her friends worry about her, but Hidemi isn't lonely. That's because she's involved with her brother-in-law. After her husband's death, he offered her support, and they grew closer. Before she knew it, they were intimate. Although she feels guilty knowing he has a wife and kids, she can't stop herself. However, their relationship suddenly ends. One day, a delivery man arrives to promote his lunchbox service. He comes inside for a taste test and she offers him tea, but accidentally spills it. In a hurry to clean up, she notices his large cock...