I've been married to my husband for a few years now, and we've built a happy home without any fights. However, our peace was suddenly shattered when a man who introduced himself as my father-in-law appeared in front of us. As soon as he appeared in front of us, he begged us to let him stay in the house for a little while. Although we were confused, we decided to accept him. However, since my father-in-law arrived, our sexual relations, which were already unsatisfying, have become less frequent, and when he saw us, he started to approach me...