YOUR STEP-SISTER FOUND OUT YOU BEEN JERKING OFF TO HER VIDEOS ON MANYVIDS AND SHE IS SO DISAPPOINTED BECAUSE SHE REALLY BELIEVED YOU SAW HER AS YOUR REAL SISTER AND SHE REALLY THOUGHT YOU RESPECTED THE BOND YOU BOTH HAD. HAVING SAID THAT, SINCE YOU BEEN JERKING OFF SO MUCH TO HER VIDEOS AND HER ASS, SHE DECIDES YOU WILL JERK OFF TO HER INSTRUCTIONS...