Cartoon pornography is the portrayal of illustrated or animated fictional characters in erotic or sexual situations. There are various subcultures under this umbrella term and distinct difference between these subcultures. Real school shots or videos which are sexualized may violate gay hentai privacy laws in some countries. Internationally, hentai is a catch-all term to describe a genre of anime and manga pornography. Content featuring male bisexuality has been a growing trend since the advent of internet pornography. Sub-genres can also be classified into the characteristics of the performers or the type of sexual activity on which it concentrates, and not necessarily on the market to which each sub-genre appeals. Yaoi is anime or manga that features gay males . Crush pornography features objects being crushed by an actress or actor, who generally plays an overtly dominant role. The genre presents itself as real couples having real sex. Diaper fetishism, nappy fetishism or diaperism, is a sexual fetish in which a person feels a desire to wear or use diapers. Sadomasochism refers to the aspects of BDSM surrounding the exchange of physical or emotional pain. Macrophilia is a fascination with or a sexual fantasy involving giants, more commonly expressed as giantesses . In the West, masturbation in private or with a partner is generally considered a normal and healthy part of sexual enjoyment. In some creampie films, both gay and straight, intercourse and internal ejaculation are followed by performers licking up the semen that has momporn dripped from their bodies. Ass to mouth is a slang term primarily used to describe the withdrawal of a penis from the receptive partner anus followed by the immediate insertion into the receptive partner mouth. A scene where many women have sex with one man is referred to as a reverse gang-bang. The resulting consent and understanding is occasionally summarized in a written contract, which gay fuck is an agreement of what can and cannot take place. Hermaphrodite, also known as herm, refers to pornography, typically hentai, that features persons with the genitalia of both sexes.