One day, my father-in-law suddenly came to my house where my husband and I live. When I asked him what happened, he told me that he had run away from home after fighting with his mother-in-law, so I reluctantly allowed him to stay for a week. During that time, we had to put off our nighttime activities, and I was frustrated when I went to my father-in-law's room to collect the laundry and witnessed his crotch that looked like it was about to burst...I was mesmerized by the sight and was indulging in masturbation. However, the whole thing was being filmed, and my father-in-law was eating away at my body with his mouth, rubbing it, and only 3cm...