Sub-genres mobile porn sites 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. Squirt pornography involves women ejaculating. Bukkake, Gokkun, Omorashi, and tentacle erotica are few uniquely Japanese genres known to western viewers. BDSM is a variety of erotic practices involving dominance and submission, role-playing, restraint, and other interpersonal dynamics. Ethnic pornography is a genre of pornography that features performers of specific ethnic groups, or depictions of interracial sexual activity. A common way that these are depicted in a single scene is with one woman and two men performing momporn together. First found in softcore movies and erotic thrillers, depictions of lesbianism entered mainstream cinema in the 1980s. Another variant of reality pornography consists of normal couples that are filmed by professionals, in which case the only obvious distinction from amateur pornography is the higher quality of production, filming and editing. Guro or Gore is a genre of Japanese pornography involving blood, gore, disfiguration, violence, mutilation, urine, enemas, or feces. Big Beautiful Woman is a euphemism for an overweight woman and is frequently used in the context of fat fetishism. A variant of A2M is ATOM where a Porn Stars performer inserts his penis directly from one recipient anus into a second recipient mouth. Pornography is generally classified as either softcore or hardcore pornography. However the genre remains a very small proportion of the pornographic DVD market; for example at porn retailer HotMovies. Depictions of male and female masturbation hot gay sex are common in pornography, including gay pornography. Originating in hentai porn pics Japan in the 1980s, the genre subsequently spread to North America and Europe, and crossed over into gay pornography. This may relate 3d hentai to fetishes such as voyeurism or cuckolding. Insertion in pornography features gay bareback sex women inserting various odd objects into their anus or vaginas.