MY BIOLOGICAL SISTERS VOICE IS SO FUCKING SEXY AND DIRTY WHEN SHE CALLED I PUT HER ON SPEAKER PHONE... I COULDN'T HELP BUT RUB MY MASSIVE ERECTION THRU MY SKIRT AND THINK ABOUT HOW I USE TO SNEAK AND WATCH HER SUCK COCK AND GET FUCKED IN HER ASSHOLE. I SUCCESSFULLY AND UNSUSPECTEDLY REARED MY STEP-SISTER TO TALK ABOUT HER BIG TITS AND JUICY ASS WHICH MADE MY COCK THROB AND MY BULGE LOOK SO FUCKING INCREDIBLY SEXY IN MY SUPER SHORT MINI SKIRT ONLY SECOND TO THE MOMENT MY HUGE COCK CANT BE CONTAINED AND BURST FROM UNDER MY SKIRT! I LOVE MY STEP-SISTER!