The thoughts of my sister grew stronger. More vibrant. More real. I gasped, imagining her riding me. Only in my head, we didn't have any clothes on. We were completely naked. My hand continued moving, stroking my c**k as I lay between my mother's legs.
"Tell me," she whispered so softly, it was like a feather tickling my eardrum.
"I don't want to say," I said, feeling embarrassed at how naughty my thoughts had turned.
Her hand moved quicker, forcing me to stroke myself faster. I gasped as my c**k started to twitch like mad. The tingling grew stronger, and I felt an orgasm rushing in. Was this seriously happening right now? But I was helpless to stop it. My mother was in complete control of me and I knew it. She was going to make me get myself off and there was not a thing I could do to
