The life of the young couple was very joyful and happy until the wife Yoshikawa heard the news that her husband had died in a traffic accident. Everything happened so quickly that she was in great pain and despair, feeling as if she could not overcome this tremendous shock. But luckily, her husband helped her through all the difficulties and brought her a better life. Even before her brother-in-law passed away, the husband had noticed his sister-in-law because she was very beautiful and special, and her large breasts had captivated him for a long time. A few days after the brother's death was when he realized that his opportunity had come; he always showed concern and care for her during those terrible days. As a result, not long after, feelings developed between the two, and they progressed further by frequently having sexual relations. Although her husband had just died, the wife also realized that she had to change herself and start a new life, and the one who helped her accomplish this was none other than her brother-in-law.