Anal sex lesson

The girl is studying on a urologist, today she studies different forms of members, but the girl has questions and the teacher decides to show her a visual example. He takes out many different phalloimitators of various shapes from the closet, and offers the beauty to stand up with cancer. A man alternately kneads her anal ring with each of the rubber members, after which he offers her to try her own. The girl agrees and the man drives her huge cock into her ass.