Lisa watched from the closet as her boyfriend... ex boyfriend she corrected herself, fucked her mom into oblivion like rag doll. That was disturbing enough, even if it made her intensely jealous deep down, but after a couple dozen strokes she noticed a bulge at the base of his inhuman prick that seemed to be slowly sliding up his dick with every thrust into her mothers pussy. It was only visible for perhaps thirty seconds, and then it popped inside of her, inflicting yet another orgasm on her, and then it was no longer visible. Lisa had no doubt though that it was still being pushed deeper and deeper with...