Such explicit sexual hentai videos interaction is seen only rarely in public play spaces, and it is sometimes specifically banned by the rules of a party or playspace. It is sometimes described as a sexual fantasy, by women or men, depicting an exhibitionist or physique worship scenario. Snuff pornography involves the actual death of any of the participants, consenting or otherwise, simulated death is not considered snuff. Group sex is sexual behavior involving more than two participants. Creampie scenes depart from heterosexual pornographic convention in favor of a depiction that more closely mimics sexual intercourse as performed in ordinary life; they have been called the counterimage of facials. Ass to mouth pornography shows the transfer of a performer penis from a second performer anus to that same second performer mouth in a single shot. Some do not use the diapers at all, for arousal, or bladder and bowel movements. Reflective of gay movies its views on sexuality and culture, Japanese pornography delves into a wide spectrum of heterosexual, homosexual, and transgender sexual acts in addition to unique fetishes and philias. The object or situation of interest is called the fetish; the person who has a fetish for that object/situation is a fetishist. The name of the practice, when it milf fuck is done in a repeated in-and-out motion, is derived from its passing resemblance to the dipping of a tea bag into a cup of hot water as a method of brewing tea. People may engage in anilingus for its own sake, before anal fingering or penetration, or as part of foreplay. Originating in Japan in the 1980s, the genre subsequently spread to North America and Europe, and crossed over into gay pornography. A pearl necklace is a slang term referring to a sexual act in which a man ejaculates semen on or near the neck, chest, or breast of another person. This style of filming is in contrast to having a separate, third-person camera crew filming all the action. These scenes may either have the cameraman directly engaging in sex or merely filming others having sex.