We've just had some bondage fun, I love being fucked when I'm helpless so I'm feeling good! I'm still cuffed upright to the door, covered in your cum and I'm ready to clean up and head for my post-sex wee. But you don't let me out! It's kinda funny at first and I ask nicely, giggling away at the joke. But it soon loses its fun as I get more and more desperate and you still won't uncuff me! I jiggle and bounce, turning every way I can. Legs tight together, legs apart, I try it all to relieve the pressure building in my bladder. I beg and plead as you just silently watch. My desperation builds and I hold off as long as I can but I can't stop it forever and my piss flows out of me and I wet myself right there, helpless, cuffed upright! I'm humiliated, but surely you'll let me out now I'm covered in piss as well as cum?! I'll do anything.....
