ERDM-169 Watch AV with mother-in-law! She gets turned on seeing son-in-law's hard dick in front of her and has 4 hours of in-out sex.

I stopped watching an AV in the middle and went out to a convenience store, but due to power-saving settings, the screen was off. When I returned, my mother-in-law was folding laundry in the living room and asked me 'Want to watch TV?' while turning on the power. The screen displayed the erotic video I had been watching! Out of curiosity, my mother-in-law said she wanted to keep watching, so reluctantly we watched together. Mother-in-law and son-in-law, can we maintain our sanity?