Sexual scenarios may involve male domination, female submission, exhibitionism and erotic entertainment. A pearl necklace is a slang term referring to a sexual act in which a man ejaculates semen on or near the hentai sex neck, chest, or breast of another person. 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. The consent and compliance for a sadomasochistic situation can be granted only by people who can judge the potential results. Although pornography has usually focused on heterosexuality, due to the prevalence of the heterosexual orientation, explicit gay material has a long history as well, which reaches back to Greek antiquity, if not to prehistory. Arguably the most famous example of the genre is the Taboo series. Masturbation has been depicted in art since prehistoric times and is mentioned and discussed in very early writings. Can also include auto-fellatio, or performing oral sex on oneself. Such films continued to be produced but could only be distributed by underground channels. Common phrases used to refer to these individuals are chicks with dicks, trannies, or shemales, although these are generally considered pejorative slurs among transwomen. Greater economic and social freedom allowed them gradually to be able to determine how they could form relationships and families. Lesbian pornography made for women is usually made by women, and usually features women who identify as lesbian momporn or bisexual. Bhabha, Anne McClintock and Kobena Mercer. An orgy is a gathering where guests freely engage in open and unrestrained sexual activity or group sex; and a bunga bunga orgy is an orgy in which participants have sex underwater, such as in a swimming pool or a hot tub. One-sided gaysex male nudity can also arise when a male disrobes as part of a male striptease. But starting with The World Biggest Gangbang , starring Annabel Chong, the pornographic industry began producing a series of films ostensibly setting gangbang records for most consecutive sex acts by one person in a short period.