I married my childhood friend from a long time ago. Even after over 10 years of dating, our love for each other never faded, and the three of us lived a happy life together with my father-in-law, who occasionally came back from work. But one day, her husband was away for a few days on a business trip. I spent the days alone with my father-in-law after he finished working, and my father-in-law took advantage of the opportunity when my husband was away and played with my body... Out