Not only a mature man can get an erection from such a sight, but even an old man can get an erection from such a sight. He was very lucky that he caught the masturbating babysitter, because the girl is very appetizing and her pussy and ass just alluring with its narrow hole, into which I would also dive with pleasure.
This interracial sex looks very harmonious. The Negro girlfriends are already trained for a threesome, and he doesn't have to teach them anymore. While he's doing one, she's rubbing the other one's pussy so she doesn't get too relaxed, and they all work together like clockwork.