Bhabha, Anne McClintock and Kobena Mercer. Emetophilia pornography involving vomiting and gagging. Some couples use a threesome as a way to develop a love triangle . The Japanese sex industry uses the term Paizuri . When sexual activity is centered on one of the threesome, then the activity may be described as a gang bang of the person. Babysitter pornography features usually teenage girls being exploited and having taboo sex with older, male hentai porn employers. Sadomasochism does not imply enjoyment through causing or receiving pain in other situations . Partners can engage in penetrative sex, known as full swap, or choose to soft swap in which they engage only in non-penetrative sex. Sub-genres of Japanese porn Among the various sub-genres of Japanese pornography are the following: Lolicon ロリコン: This genre involves prepubescent and adolescent girls between the aged of 6-12. Central to the typical MILF narrative is an age-play dynamic of older women and younger lovers. When all regions of the face are included, facial cum shots comprise approximately 62% of scenes where external ejaculation occurs. Rough sex pornography is similar to pornography featuring sadomasochism, gay bear porn and typically features a Top who humiliates and/or degrades a Bottom while being physically violent towards them. Freud, however, considered such extensions of sexual interest to fall within the range of the normal, unless marked out by exclusivity . Lesbian pornography made for women is usually made by women, and usually features women who identify as lesbian or bisexual. It can be combined with fellatio lesbian milfs and the woman may move her breasts up and down on the penis for an additional stimulation, usually before the man reaches orgasm. Using the term shemale for a transsexual woman often implies that she is working in the sex trade. Hentai is the various forms of Japanese pornography, including H-manga, H-anime, and H-computer games. Along with the penis, the scrotum is sensitive and considered to be an erogenous zone.