After my father passed away, my mother was depressed and didn't have much energy. - I probably could have helped if I had stayed at my parents' house, but the situation was difficult. - My uncle, my father's younger brother, with whom I had been close for a long time, started checking on my mother, and my mother gradually regained her health. - One day, my mother and uncle came to my house. - I couldn't help my mother when she was in trouble, so I accepted them and a strange life together began. - At first, my uncle was quiet, but he gradually started to show his true colors and was racking up debts through drinking and gambling. - The situation suddenly changed when he witnessed his mother's lewd behavior. - While I was at work, I had something to do at home, and there I witnessed my uncle and a man toying with my mother. - She was tied up and made fun of by a man, who forced her to climax. - I left the place in a hurry. - On the day my uncle was away, I asked my mother about that time. - My mother looked down and told me about what her uncle had done to her and how she had been sold to a man for money. - Then she closed her eyes and said that she was sorry for being such a mother. - Then, as if determined, she hugged her son and lovingly took his crotch into her mouth...