A woman's sexual sensitivity is eight times that of a man! In fact, there is a way for men to experience that same sexual sensitivity too! That is masturbation using the sexual sensations in the ass, commonly known as anal masturbation, or 'anal masturbation' for short! Five beautiful navigators will explain in an easy-to-understand way how anal masturbation feels far better than masturbating with a penis! They will develop the sexual sensations in your ass, and you, the viewer, will be able to master 'anal masturbation'. What's more, if you watch while masturbating anally, More exciting 'Anal support video' also included!!