My right hand found Mom's left hand, and I pulled it to my mouth and kissed the back of it. She purred, rubbing her thighs together as I sat up and swung my left knee over her waist, straddling her. Mom pulled my hand to her mouth, first kissing my fingers and then sucking my thumb between her lips when I pressed it to her flesh.

"Mom," I whispered, "since your pussy is mine, and you're my slut"--my heart hammered against my chest, though my cock only inflated to a half-hard, floppy salami--"from now on, I want you to ask me for permission before you have sex with Dad."

Mom's...