After my father died, my mother was depressed and depressed. If I had stayed at home, I would have been able to help her, but the situation was tough. My uncle, my father's younger brother, who I had been close to since childhood, started to look after my mother, and my mother gradually regained her strength. One day, my mother and uncle came to stay at my house. I couldn't help my mother when she was in trouble, so I accepted them and we started living together in a strange way. At first, my uncle was quiet, but gradually he started to show his true colors and accumulated debts through alcohol and gambling. The situation suddenly changed when I witnessed my mother in a lewd state. While I was at work, I had to go to the house and witnessed my uncle and a man tormenting my mother. She was tied up and tormented by the man, and was forced to climax. I hurriedly left the place. On the day when my uncle was not there, I questioned my mother about that time. My mother looked down and told me about what my uncle had done to her and how she had been sold to a man for money. She closed her eyes and said, "I'm sorry I'm such a mother." Then, as if she had made up her mind, she hugged her son and lovingly took his crotch into her mouth...