My wife went out drinking with her sisters and went home with her sister-in-law. I had heard rumors that this sister-in-law was a unique sadist. Her ability to seduce and make men excited and climax was amazing. That night, my sister-in-law made love to me. until morning until my wife woke up. “I don't have to do anything, I just move my hips by myself…”, she completely automatically makes love to me without me having to move anything,