When my step-sister knocked on my door, I didn't expect what I was about to receive. She stood there, biting her lip, her eyes filled with a hunger I'd never seen before. "I want you," she whispered, pushing past me and onto my bed. I was taken aback, but my cock had other ideas. It hardened at the sight of her perfect teen body, and before I knew it, I was inside her, fucking her hard and deep. She moaned and begged for more, her tight pussy milking my cock as I filled her with my hot cum. It was a taboo gift I'd never forget.