“Fuck! Fuck! Look at her taking that cock,” Kelly gasped. She bounced on her boyfriend’s lap, their straddled position lining his tip up directly with her g-spot. The pleasure centers of the lithe blonde’s brain fired on all cylinders from the intense fucking and the thrill of witnessing her sister’s defilement and utter submission to a big, fat dick. The knowledge of what came after only further added kerosine to her exp...