When Alisha gets tickled she pees in her diaper, but thats okay, because afterwards Caralynn goes down on her in this video.

In this scene Alisha is tied up in a diaper and desperate to pee.  She is trying to hold it, but Caralynn is intent on making her pee herself.  After being tickled and having her bladder pressed on, Alisha finally wets her diaper.  After Alisha has peed in her diaper, Caralynn takes the wet diaper off of her friend.  She then goes down on Alisha, giving her an intense orgasm.