Softcore pornography generally contains nudity or partial nudity in sexually suggestive situations, but without explicit sexual activity, sexual penetration or extreme fetishism, while hardcore pornography may contain graphic sexual activity and visible penetration, including unsimulated sex scenes. Fat fetishism also incorporates stuffing gay bear porn and padding, whereas the focus of arousal is on the sensations and properties of a real or simulated gain. Simultaneous penetration of the vagina by two penises or other objects. The legal status of masturbation has also varied through history and masturbation in public is illegal in most countries. Incest pornography is a genre of pornography involving the depiction of incest . 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. Simultaneous penetration of the vagina lesbian milfs and anus. Actors are mostly amateur; any well-known actors in bisexual porn tend to be from the gay pornography industry. Masturbation has been depicted in art since prehistoric times and is mentioned and discussed in very early writings. Accepting that Eros is not always pretty, and may involve the forbidden or taboo - as with women pornography – forms part of the struggle with the good girl/bad girl or virgin-whore split in postmodern femininity. For other diaper fetishists, simply wearing a diaper, the bulking feeling and crinkling sounds associated with it, is enough to cause the fetishist a form of erotic pleasure or sexual arousal. A large part of the popularity of these videos is seeing how regular and normal the hentai videos girls are in real-life. As amateurs in a single segment of a multi-part video, the actresses are typically paid only about 50,000 yen . In D/S, the Dominant is the Top and the submissive is the Bottom. Teacher and Student or Boss and Secretary pornography involves sexualized situations which take place between an authority figure, such as a teacher or boss, and an underling, such as a student or secretary, often fake.