Married for five years, my husband and I have a relationship like close friends. I kept telling myself that I was happy, but as a woman, Rica felt lonely. One day, her husband's brother Yuzuru came to Tokyo on business and stayed at their house during that time. Even though he is family, there is a man staying in the house. Rika's hungry heart and body became uncontrollable. One night, she went to Yuzuru's bedroom, secretly straddled her brother-in-law, and said, "Don't move, big brother... It's all my fault." Then she started grinding her hips...
