Pro-am pornography is sub-genre of amateur pornography that refers to professionally made porn that features amateur actors/actresses, often appearing for the first time in a pornographic film. Sexual relations between women have been illustrated as well as narrated, but much of the written material from the mature milfs early modern period has been destroyed. The existence of such content in commercially available pornography is widely considered an urban legend. Examples of heterosexual pornographic film series featuring creampies include Cream Filled Teens and Internal Cumbustion. 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. If this is done using penises and/or strap-on dildos, this is sometimes called the sandwich or BigMac. Bukkake is a sex act portrayed in pornographic films, in which several men ejaculate on a woman, or another man. Mammary intercourse is a sex act, performed as foreplay or as non-penetrative sex, that involves the stimulation of the male penis by the female breasts and vice versa. Because the viewing of such films videos gays carried a social stigma, they were viewed at brothels, adult movie theaters, stag parties, at home, in private clubs and also at night cinemas. Both forms of pornography generally contains nudity. Pornography in Japan is large and intertwined business of adult hentai videos entertainment with unique characteristics that readily distinguish it from western pornography. Portrayals of lesbians in the media suggest that society at large has been simultaneously intrigued and threatened by women who challenge feminine gender roles, and fascinated and appalled with women who are romantically involved with other women. Pornography may fall into more than one genre. Sexual orientation Pornography features an increasing variety of combinations of actors by their sexual orientation such as lesbian, gay, bisexual, and transsexuals in addition to traditional heterosexual roles.