SPRD-1304 - Better than my wife... My mother-in-law's secret seduction, Sayako Sanada

I visited my in-laws, but the atmosphere turned sour due to questions about having kids. I ended up blurting out that my wife and I are in a sexless marriage. That night, I caught my mother-in-law frustrated because my father-in-law couldn't perform. While I was taking care of things myself in the bathroom, she caught me. Instead of scolding me, she seduced me, saying it's my wife's fault. The next day, with the others out, I snuck into my sleeping mother-in-law's room to take my chance...