Big tits stepmom wants a fuck buddy

Your stepmom comes to you with some bad news. She has decided to break up with your stepdad. You are devastated since she is so amazing stepmom. You want to do anything to make her stay so you want to know why she's leaving you. She hesitates but tells how bad your dad is in bed and she wants to fuck all the time. You come up with an idea that you could be her fuck buddy so that she can get satisfied any time she likes. Stepmom does not buy into it at first but decides to give it a try.