Milf Uses Step-Son for Stress Release

I've been slacking off quite a bit while my step-mother Casca Akashova has been away on a trip. I really appreciate her letting me stay at her place. However, she returned earlier than expected and found the mess my puppy and I created.
I could tell she was not happy by the way she yelled at me. I tried to come up with excuses, but she wasn't buying any of it. Casca told me that if I wanted to make it up to her, I had to put in some work and have sex with her.
At first, I was taken aback, but soon found myself enjoying the experience. I must confess, I've always had a desire to have sexual relations with my step-mother.