Trembling Sarah clawed at the cushion under her. Her eyes locked on Rachel's smoldering with lust as she lay there, their father rubbing his cock against her ass. She licked her lips and whimpered at the fact they were leaving it to her tortured sister. But she knew Rachel loved being dominated and giving her a bit of power was a pretty good way of making her torment her siblings.<br/><br/>"Sam... Come here I need something in my mouth!" Sarah called, turning to her little brother.