Fun sex between the two - Mizuki Sanada

I live at home with my stepfather. I have been living with my stepfather since my stepmother left when I was in junior college. I am still spoiled by my stepfather and have not been able to get away from him at all. Recently, I have been consuming a lot at work, and when I get excited, I lose my memory. Every time I do, I end up causing trouble for my stepfather. The other day, in front of my stepfather...