The rhythm they had found was perfect and punishing. Mark drove into my p***y from behind with long, deep strokes, his thick c**k stretching me wide, dragging along every sensitive inch of my walls. Doctor Harlan f****d my mouth in steady counterpoint, sliding over my tongue and nudging the back of my throat until tears streamed down my cheeks. My body rocked helplessly between them on the leather couch, breasts swaying heavily, n*****s brushing the cushions with every forward thrust. Saliva dripped from my chin in thick strands, coating Doctor Harlan's shaft and running down to his balls. I moaned around him constantly, the vibrations making him groan low in his throat. My p***y clenched greedily around Mark, juices soaking his c**k and dripping steadily onto the leather below us, formin

