The more people are told 'Don't do it,' the more they want to try. In this case, it's 'blowjob until ejaculation & actual sex.' However, weak-willed beautiful massage therapists can't help but get excited when they see a customer's erect penis, and before they know it, their innocent mouths are wrapped around it. Eventually, even sex happens… The fact that it's forbidden seems to make them even more aroused.
