"Fuck that pussy," Kelly moaned. "Fill me up with your cock! I've been having nasty thoughts all night of you two and I'm hornier than ever."

Mark grunted in approval, continuing his pumping. "You're all I was thinking about last night," he groaned. "This tight pussy, that wonderful mouth... how it felt having the cum literally sucked out of my cock."

She whined in pleasure at his words. "Fuck me, Mark. Fuck your best friend's wife."

Duncan smiled, seeing how much fun she was having talking dirty. He reached over and gently pulled on her nipple ring, eliciting a low moan as pleasure coursed through her.

Mark picked up speed...