I know I should let you study but it is just so much fun to tease you. It must be impossible to focus on your class with my big beautiful tits bouncing in your face. I wonder if any of the girls from your class recognize the facial expression of a boy with a raging hard-on. I bet they wouldn't guess it is because your Step-Mom is massaging your cock over your jeans. Or maybe it was watching me play with my fat wet pussy that got you so excited. I will make you a deal, sweetie. You do your best to focus on your online lecture and I will do my best to take care of that big stiff dick without your class finding out you're getting a blowjob.