You have been acting out lately - you've never been this much trouble before. But I think that I can work out why - you're worried that because StepMummy is pregnant, you won't be StepMummys number one anymore? Well you will always be my favourite. I'm going to prove it to you and we are going to get rid of all of that tension in your body together. You need to get your cock out for me, StepSon. Don't worry, it's only natural to be curious about StepMummys new curvy pregnant body.. I've seen you staring at me, especially now that most of my clothes are very tight. Do exactly as StepMummy says and jerk your cock along with StepMummys hand. Who is the best StepMummy, huh?