Group sex is sexual behavior involving more than two participants. Some do not use the diapers at all, videos porno gay for arousal, or bladder and bowel movements. Women porn is often produced by women and aimed specifically at the female market - rejecting the view that men are turned on by porn but women only by a box of chocolates. The term hentai is never used in this context in Japanese. The wife who enjoys cuckolding her husband is frequently hentai movies called a hotwife, or a cuckoldress if the man is more submissive. Real medical shots or videos may violate privacy laws in some countries. In human sexuality, a threesome is sexual activity that involves three people at the same time. Watersports pornography features sexual activities involving urine, such as golden showers. Sex parties may be organized to enable people to engage in casual sexual activity or for swinging couples or people interested in group sex to meet, horny milfs but any gathering where sexual activity is anticipated can be called a sex party. Transsexual people Transman pornography features performers who were born female and who medically transitioned to male. Because the viewing of such films carried a social stigma, they were viewed at brothels, adult movie theaters, stag parties, at home, in private clubs and also at night cinemas. It is commonly depicted in pornography, but very rarely in mainstream cinema. As of 2013, little analysis of this paraphilia has been reported in medical literature. People may engage in anilingus for its own sake, before anal fingering or penetration, or as part of foreplay. Once insertion is complete, the fingers are either clenched into a fist or kept straight. Actual upskirt or downblouse shots may violate privacy laws in some countries. A sex party is a gathering at which sexual activity takes place. Double Stuffed , Double Vaginal , or Double Anal pornography involves the penetration of one orifice by two penises or other objects. Pornography in Japan is large and intertwined business of adult entertainment with unique characteristics that readily distinguish it from western pornography.