Math can be stressful

«When the student saw his friend's mom for the first time, he promised himself never to jerk off to her. But who would have thought that this madam would turn out to be even more vulgar than this poor nerd? Choosing a good moment when no one was at home, she showed up to visit without any invitation and immediately threw the guy who was distraught with happiness on the bed. Looking straight into his bulging eyes, the bitch gets to the hairy penis, which begins to masturbate enthusiastically. And the size is very decent, and everything is for having sex, but for some unknown reasons, madame decides today to limit herself only to manual performance.»