My Sister'S Hot Friend - Alex Coal helps friend's brother study by giving him a fucking reward

Alex Coal is trying to help her friend's brother study, but he seems to be distracted by her beauty. So Alex thinks of a great idea. She makes some flash cards and promises to remove one article of clothing for every question that her friend's brother answers right. To her surprise, he gets them all right. Well now Alex is nude and her friend's brother has a hard on, so Alex helps alleviate the situation by riding that dick until it cums down her throat.