Her appetite whetted, the BBW sister watches her stepbrother's every move, her pussy dripping with anticipation. He returns, unaware of her ravenous hunger. She pounces, pushing him onto the couch, straddling him in one fluid motion. His eyes widen at her fat ass and juicy cunt. She grins, "Time to feed me, bro." She guides his massive BBC inside, her tight pussy enveloping him as she bounces, her big tits swaying, her ass slapping against his thighs, lost in the symphony of their flesh meeting.