In the past you've tricked your step-sister by locking her in her room while she's desperate to pee and filmed it all for your use. But she never seems to learn. Today she brought her boyfriend over and they had sex. He asked her to hold her pee before they fuck so that she has an amazing orgasm. After they fuck she really needs to use the bathroom, but the door is locked again. She becomes frantic. She has to pee so bad but she can;t pee on the floor or anything. Despite her boyfriend asking her to hold her pee, he finds the site of women peeing disgusting. She doesn't want to shock him so... Show more