Big-bootied brunette stepmother ends up naked thanks to a prank by her stepson

A stepmother with a big ass is taking a shower, and her stepson wants to play a prank on her. So he takes advantage of the situation, sneaks into the bathroom without her noticing, and steals her towel. He runs out, but she realizes what he's done and chases him naked everywhere. To her surprise, he's waiting for her with a very hard cock.