Standing totally naked in my sister and her husband's home, I walked up before her and knelt down in front of her. She didn't say a word, but just grinned excitedly as I reached out to her hips and slowly peeled her panties down from under her belly and over her hips. She held herself up and allowed me to strip the fabric from under her butt, then lifted her legs as I slid it along her bare thighs, over her knees, and off.

She folded her legs together casually, but then allowed me to slowly pull her knees to the side, keeping them together and turning her lower body...