"Oh! My glans is touching my sister's pussy... is this a coincidence?" Four slutty beauticians check his erection through his paper pants and press against his crotch in the confusion of the treatment... The really frustrated beautician inserts the cock that has been put on hold and screams uncontrollably! She slams her pussy into him in a pounding cowgirl position! Is it okay to not only have sex, but even cum inside him!? She also gives him a follow-up handjob and a continuous piston-like service! Part 4 of the psychological battle between pussy and cock between a frustrated older sister and an impatient customer is here!