In this version are all ballbusting and cbt scenes, included naked mistress busting balls and less of the other scenes, like changing outfits. So this version is specially for fans of plain hardcore ballbusting.
She let him masturbate in front of her while she kick him constantly in the balls. When he is about to cum she just kicks him harder to prevent him from cumming.
But at the end he could not hold his cum any longer and squirt his sperm over her legs and on the floor…