Babysitter Fantasy: Pt 1

Your wife and kids have gone away for the weekend and you can't wait to have the house to yourself! You get home from work expecting an empty house, but you walk into your bedroom to find your babysitter laying on your bed wearing stockings and a tight black dress. She's let herself in to seduce you, and although you try to resist to begin with, you can't help but wank over your promiscuous babysitter...