DLDSS-555 — "If I don't move, my brother-in-law isn't at fault." A wife who is ignored by her husband unilaterally thrusts her hips while riding him. Rika Aimi

Five years into her marriage, Rika and her husband were like best friends. She kept telling herself she was happy, but she harbored a loneliness as a woman. Then, one day, her husband's brother, Yuzuru, came to Tokyo on a business trip and stayed with them. Even though he was her husband's family, having a man in her home was unsettling. Rika's lustful heart and body could no longer be controlled. One evening, she went to Yuzuru's bedroom and secretly straddled her brother-in-law, sliding her hips forward and saying, "Don't move, brother-in-law... it's all my fault..."