Sweetie, Step-Mommy happened to find your porn stash... I knew you'd be interested, but I didn't think it would happen already!! But you see, Step-Mommy doesn't want you to be looking at all those naughty things. I have the perfect idea! Step-Mommy will be your masturbation muse, the thing you cum to! Don't worry, Step-Mommy wants this, I want you to stroke and cum to me!