English adopts and uses hentai as a genre of pornography by the commercial sale and marketing of explicit works under this label. In addition to mainstream pornography, the popularity of facials has led to creation of its own niche market, like video series that specialize in showing the act. The definition clash also appears with the English definition of yuri as any lesbian relationship, as opposed to its sexually explicit definition in Japan. Usually that person prefers to stage the wetting so that his/her legs become soaked with urine. These scenes may involve the female actor calling for the shot to be directed at some specific part of her body. Since the 1980s, many practitioners and organizations have adopted the motto safe, sane and consensual, commonly abbreviated as SSC, which means that everything is based on safe activities, that all participants be of sufficiently sound/sane mind to consent, and that all participants do consent. Normal quantities of ejaculate range from 1.5 to 5.0 gay movies milliliters . Bobbi S. Mammary intercourse is said by Alex Comfort to produce mutual orgasm in women with sensitive breasts , and it was one of the nine substitute exercises for penetrative sexual activities, as detailed in the Paradis Charnels of 1903. A homosexual threesome would involve either three men or three women. Women that take on the roles of the giantess within this fetish often find the practice to be empowering and enjoy being worshiped. The concept of lesbian, to differentiate women with a shared sexual orientation, is a 20th-century construct. Adult animation is genre of animation geared towards adults and sometimes teens. These scenes may either have the cameraman directly engaging in sex or merely filming others having sex. Target audience are hentai sex teenage horny milfs / young adult women. Transsexual pornography is a genre of pornography. The wife who enjoys cuckolding her husband is frequently called a hotwife, or a cuckoldress if the man is more submissive. This can, however, redirect semen into the bladder .