Year-end and New Year's Eve, returning to my wife's parents' house. What awaited me there was my sister-in-law with her voluptuous body. My heart gradually wavered under the bold seduction of my bewitching sister-in-law, and my honest body could not resist, finally giving in to her. Why would such a beautiful person want someone like me? While feeling this doubt, I became 'my sister-in-law's possession' as I was.