Saying that this is a sexual training product stretches things a bit. Even the cover implies fetish, but it is really standard sex with willing young women. What is remarkable is the lack of verbage - there really isn't any talking. Mostly everything is physical interaction and communication.
The gals, all youthful, range from cute blondes (Sissy Sweet, Sugar Kaine) to darker, more ethnic (Aliyah Likit, Lyla Lei). None of them need training, as they act like quick learners as to what goes where, at what optimum angle. ... yada yada.