The reason I ended up living with my son and his wife was because of a middle-aged divorce. My relationship with my wife of many years ended abruptly. However, my son's wife, Hiroko, accepted me as I was. I'm very happy. But the problem is that Hiroko is such a good woman that my lower body, which has not been touched for a while, is throbbing with desire. When I got home, I went to the bathroom to wipe off my sweat, but Hiroko was in the bath and I tried to turn back, but my eyes caught her underwear and I couldn't help but pick it up...