My wife has a very beautiful sister who has just come from the countryside. She asked to stay at our house for a few days while waiting for the results of her job application at a nearby company. From the moment I met her, the first thing that impressed me was her plump buttocks, which was also an extremely harmful thing that made me blind and began to fall into an incestuous love affair with my sister-in-law. She is an easygoing woman so it was no surprise that when I proposed the idea of physiological satisfaction for both of them, she agreed immediately. When my wife sleeps and is away from home, it is also the time when we often have sex. We made love everywhere in the house from the kitchen, the living room to the bathroom... Even my sister-in-law agreed to let me go inside her.