I Had to Cheat On My GF & Fuck My Cute Slim Step-sis In the Ass 'cause She Beat Me At Poker

My pretty, slender, small-titted step-sis beat me at poker. Since we were playing cards for a wish, she offered me an alternative: either I do all the house chores instead of her, or I please her with a hardcore anal fuck. In spite of having GF, a chose the later.