[ROYD-160] Drunk Slender Legs Sister Mistakenly Penetrates Me with Her Dream Senior's Cock – My Dick Was a Direct Hit. Minami Maeda

I live at home with my unremarkable self, but I have a snobbish new sister who just started working. One day, she came home completely drunk from a company party. Her usual composed demeanor was gone, replaced by sloppy behavior, and I mocked her for it. But then she flashed her chest and underwear right in front of me! It was awkward... yet my cock was rock hard. Before I realized it, I had penetrated and ejaculated inside her! But the next morning, my sister had no memory of our intimate encounter at all!? So does this mean if she's drunk, having sex won't get discovered...?