Shaggy's step-mom is almost due so Shaggy decides to take his step-mom for himself and makes a list of rules for his step-mom. When Shaggy gets home he immediately strips off and walks up to see his step-mom doing chores with a collar and leash on, nipple clamps attached, whilst also wearing a skimpy outfit. Shaggy can't help himself and just comes up and shoves his cock deep in his step-moms pussy and fucks her on the counter over the sink in doggystyle and hands her a list as he fucks her instructing her to read the list. It's called step-moms Breeding Rules! 1. step-mom belongs to Shaggy. 2. step-moms wombpussy belongs to Shaggy's Cock and Seed. 3. step-mom is Shaggy's pregnant pet cumdump slave and breeding whore. 4. step-mom will be Shaggy's cumdump alarm clock for work, Mon through to Friday. 5. step-mom will tell husband everything, how she belongs to Shaggy and how she will only give birth to his seed and how much she loves his cock and cum. 6 step-mom will divorce her husband and forever to be Shaggy's pregnant pet step-mom slut. At first step-mom resists a little but can't deny Shaggy's cock and his seed swelling inside her womb ready to burst and to submit to his rules. step-mom then proceeds to be fucked throughout the family home while being led on collar and leash, all the while moaning in submission to her step-sons cock and seed. step-mom is then instructed to call her husband and tell him that their step-son is recording all of this to give to him as a farewell gift, including everything that's currently happening. step-mom then says a final goodbye to her husband as Shaggy creampies his step-mom and sticks his cock in her mouth for cleanup.