Through the 1990s, mainstream movie and television actors have been more willing to portray homosexuality, as the threat of any backlash against their careers has lessened and society acceptance of gay and lesbian people has increased. Bukkake videos are a relatively prevalent niche in contemporary pornographic films. Japanese rope bondage is distinguished by its use of specific gay bear porn katas and aesthetic rules. In straight pornography, intercourse is often followed by a facial, pearl necklace or other visible ejaculation. Can also include auto-fellatio, lesbian hentai or performing oral sex on oneself. In pornography, depictions of lesbian sex form a popular subgenre, directed toward a male heterosexual and female homosexual audience. The essence of voyeurism is the observing but may also involve the making of a secret photograph or video of the subject during an intimate activity. Cum-shot pornography features a collection of male ejaculation scenes. Especially popular in post-World War 2 Japanese culture. Sub-genres 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. Pornography is generally classified as either softcore or hardcore pornography. It may be used as foreplay, or as an alternative to sexual penetration. Matsuo used amateur actresses in his videos, and he usually traveled to their lesbian milfs hometowns for the filming. Fantasies of group sex are extremely common among both men and women, and group sex is a subgenre in pornographic films. Fisting involves the insertion of one partner entire hand into a vagina or the anal cavity. Pleasure for the giver during anilingus is usually based more on the principle of the act. Kinbaku is a Japanese style of bondage or BDSM which involves tying up the bottom using simple yet visually intricate patterns, usually with several pieces of thin rope . Common phrases used to refer to these individuals are chicks with dicks, trannies, or shemales, although these are generally considered pejorative slurs among transwomen.