"If anything hurts, tell me and I'll stop," I said. "If anything feels uncomfortable in any way for you, tell me and I'll stop. If you just want me to stop for any reason, tell me and I'll stop."

She turned to face me as best she could. She was smiling. "Shut up," she said. "Shut up and fuck me."

So I did. I knew from experience that she got off on ass play so I had high hopes that this would be great for her. I reached down again and started rubbing her clit as I pressed the head of my cock against her tight little ring and pushed...