Alisha is chained up, desperate to pee, and wearing a pullup style diaper.
Nikko, wearing only her panties, enters the scene. She is intent not just to make Alisha have an accident in her diaper, but turn her on as well. We get to watch as she sexually teases and tickles Alisha as she is desperate to pee.
When Alisha can’t hold on any longer, she pees in her pullup. As she does so, Nikko rubs her through the wet diaper as it fills up. Once she is done peeing, Nikko leaves her chained up to soak in her wet pullup.