Butt plug in the ass of a girl - a riddle for a man at a casting

As experts in female souls say, there must be some mystery in a woman. And even if the college student was barely eighteen years old - still there is a misunderstanding in the heifer. And the casting agent is very interested in the question when he fucks a beauty on a couch with butt plug in the ass. Is it really buzzing from the device in the glasses or is it purely for a thieves show ?!