Air Stewardess Tied Up Desperation

An air stewardess is tied up and squirming as she is desperate to pee. But her kidnapper won't untie her to let her use the restroom, instead she kept feeding her water to fill up what is an already bursting bladder. The air stewardess is left squirming, fighting back the urge to pee only to end up wetting her skirt as her bladder gave out