The married woman "Rio" lives with her husband and father-in-law! I thought that a happy life would continue, but I was suddenly lusted after by my father-in-law for her plump body and ejaculated into my vagina. There was no way it would end in a moment, and from that day on, I would continue to treat my father-in-law's sexual desire. A married woman who reluctantly went crazy with her veteran techniques ended up as a slave girl shaking her hips to search for her father-in-law's cock...!