Reflective of 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. Diaper pornography involves performers wearing diapers, sometimes with an adult performer acting in the role of a caretaker. First found in softcore movies and erotic thrillers, depictions of lesbianism entered mainstream cinema in the 1980s. The range of its individual characteristics is thereby wide. Shibari is a Japanese word that literally nude milfs means to tie or to bind. These scenes may involve the female actor calling for lesbian hentai the shot to be directed at some specific part of her body. This can, however, redirect semen into the bladder . In human sexuality, a threesome is sexual activity that involves three people young gay porn at the same time. Transsexual pornography features transwomen performers, who typically have male genitalia and augmented female breasts . 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, but any gathering where sexual activity is anticipated can be called a sex party. 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. 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. Simultaneous penetration of the mouth and either the vagina or anus. Mutual masturbation can be practiced by males or females in pairs or groups with or without actually touching another person as indicated by the following examples of contact versus non-contact scenarios: Non-contact mutual masturbation Two people masturbating in the presence of each other but not touching.