Sara-san went to her mother-in-law's house when she was a child. However, in reality, Sara-san is a "male mother" with a penis. I found out about it when I stumbled upon my dad sucking Sara-san's cock. Since that day, I have masturbated many times, remembering that anal reverse sex. And three years have passed since my father died, and we, who are gradually closing the gap in our lives alone, have finally crossed the line...