Guro or Gore is a genre of Japanese pornography involving blood, gore, disfiguration, violence, mutilation, urine, enemas, or feces. Kinbaku means tight binding Kinbaku-bi which literally means the beauty of tight binding. This is commonly called double anal or double stuffing. Related genres include: Amateur pornography originally referred only to pornography produced by amateurs but now also includes professionally lesbian hentai made pornography designed to appear as if it were amateur. By Japanese law, the genitals of actors and actresses must be censored and up the mid-1990 so was the depiction of pubic hair. Emetophilia pornography involving vomiting and gagging. It is mutual consent that makes a clear legal and ethical distinction between BDSM and such crimes as sexual assault or domestic violence. The anus has a relatively high concentration of nerve endings and can be an erogenous zone, and the receiver may receive pleasure from external anal stimulation. Consent is gay twinks the most important criterion here. The most common depiction of a hermaphrodite is a person with a female face, breasts, and build, and a penis , although there are other combinations. A female dominant in a master/slave relationship is often termed a Mistress, not to be confused with the colloquial usage of mistress as a kept sexual partner without a similarly formalized power momsex relationship. 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. Often a dominant woman, she may be called a Dom, Domme /ˈdɒm/, Femdomme, Domina, or Dominatrix, depending on context or personal preference. Women in homosexual relationships responded to this designation either by hiding their personal lives or accepting the label of outcast and creating a subculture and identity that developed in Europe and the United States. Now facial cumshots are regularly portrayed in pornographic films, videos, magazines and internet web sites.