Penny is not happy that Sam is late for their workout. Sam is even less happy when he finally shows up and she tells him his punishment for tardiness is panty discipline! Sam absolutely refuses but Penny knows doing the day's workout in nothing but a pair of her panties will go a long way towards whipping him into shape. Plus, it is always fun to give Sam a humiliating reminder that she is strong and he is weak!

Penny puts a stop to his arguing with a headlock and begins ripping off his clothes. Sam fights back as hard as he can to avoid being into panties by his hot step-sister bu... Show more