My step-brother has been in the bathroom for an hour now, and I have to pee so badly! Starting out polite I ask him to come out so I can use the bathroom, but he doesn't. My frustration grows after asking so many times and I bang on the door, begging him to let me in, to no avail. I can feel the piss pushing against the walls of my bladder and I hold my pussy with my hands, trying to keep the piss inside me so I don't embarrass myself. I would be mortified is anyone caught me peeing my pants, but I'm so desperate to release. I grab a nearby measuring cup that step-mom keeps out because she ... Show more