The state of sex-ed is quickly deteriorating. Stepmom Lisa Ann doesn't take very kindly to her stepdaughters learning such unguided misinformation. Her goal to ensure her girls are well instructed in the ways of love making leads her to butt in and become their sex-ed teacher all on her own. Mommysgirl.com is pleased as peach punch to bring you not just one or two of these mouthwatering scenes with Lisa Ann teaching Mommy's Girls how to make other girls at school scream in pleasure, but we're bringing you four of our most stunning scenes starring one of the industry's biggest names to date. Just for good measure, in the case that you didn't learn as quickly as stepdaughters Keisha Grey and Cassidy Klein, Ariella Ferrera brings it all home in the final scene when she gets the perfect revenge on her husband by seducing her naive, uneducated stepdaughter. You won't want to miss what she has waiting in her lesson plan.