I live with my in-laws. My parents-in-law have been nice to me, but my wife has become a little cold. I asked her to have sex for the first time in a while, but she was so engrossed in playing a game that she refused. On my way to the living room with a frustrated feeling, I noticed my mother-in-law's underwear in the bathroom. I sniffed the underwear on a whim and it smelled like my mother-in-law. I was so engrossed that I started stroking my crotch. Then my mother-in-law came in and I hurriedly hid my lower body. After a moment of silence, my mother-in-law gently touched my crotch, saying that I was in the middle of it. My crotch, which had been flaccid for a moment, became hard, and my mother-in-law buried her face in my crotch and began to suck it slowly, saying that it was a secret just for today...