I live with my mother-in-law. Since it was getting too small, I decided to remodel it. So, during the remodel, my mother-in-law, my wife, and I decided to sleep in a river shape. Since I started living with my mother-in-law, I haven't had sex with my wife, and she has big, voluptuous breasts, so I was horny and couldn't sleep. The next day, we were sleeping in a river shape again. In the middle of the night, I heard my mother-in-law moan. I stared at my mother-in-law comforting herself. The next day, when I confirmed that my wife had gone out, I hugged my mother-in-law and told her what I saw yesterday. When I pressed my already hardened lower body against my mother-in-law, she knelt down and made me feel good. And at night. The three of us in a river shape. I woke up feeling something strange in my lower body, and my mother-in-law was sucking my crotch as if she was tasting it...