With that knowing sexy smirk of hers, Narcissa plumbed deeper, surprising both of us when I shifted uncomfortably from the increased penetration. She let out a strange-sounding moan, half-way between delight and trepidation. Was she scared? Did she want to stop? The air around them seemed to grow thick with something more than lust; something that was at once foreign and yet eerily familiar. She paused. Did I do something wrong? No please no don't stop...