This mistress loves to make guys do what she wants. And today she wanted this loser to jerk off. She did not just want him to jerk off, but she wanted him to jerk off to her instructions. The loser had no option but to do as she wanted. She forced him to do what she wanted and she laughed as he did it. She teased him a bit and he did the rest.
Mistress BlackDiamoond likes to do naughty things to her slave and one of them was to make him jerk off. It was one of the things he did not mind being made to do because it had a happy ending. But he pretended that he hated it so that the mistress could do it to him often. She gave him jerk off instructions and she used them to cum and have fun.
Mistress Isabella Tasci loves to give jerk off instructions. That is because she loves to have fun at the expense of guys. She knows guys find her hot but she knows that she cannot mess with them. Making them jerk off to her instructions is the closest they can come to messing with her. Being a naughty mistress, she knows how to make it worth their while. But they also have to appreciate her.