Mistress Penelopa wanted her boyfriend to watch as she masturbated. She wanted to cultivate an open relationship where they were free to be as naughty as they could so as to spice their relationship. As he watched her do naughty things, he was super turned on and when she finally let him smash, he fucked her brains out and they had the best sex they had ever done. They made naughtiness a key ingredient of their sex life.