Real jail or prison or police station shots or videos may violate laws in some countries. Hentai is the various forms of Japanese pornography, including H-manga, H-anime, and H-computer games. Pornography is generally classified as either softcore or hardcore pornography. 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. This style of filming is in contrast to having a separate, third-person camera crew filming all the action. These scenes may either have the cameraman directly engaging in sex or merely filming others having sex. The term hentai is never used in this context gay fuck in Japanese. Individuals who can change between top/dominant and bottom/submissive roles—whether from relationship to relationship or within a given relationship—are known as switches, though the term switch in this context is occasionally seen as derogatory and is rejected by many who might simplistically fit the definition. For other scenes, particularly in established relationships, a safeword may be agreed to signify a warning rather than explicit nude milfs withdrawal hentai porn of consent; and a few choose not to use a safeword at all. A pearl necklace is a slang term referring to a sexual act in which a man ejaculates semen on or near the neck, chest, or breast of another person. Such films continued to be produced but could only be distributed by underground channels. Matsuo used amateur actresses in his videos, and he usually traveled to their hometowns for the filming. Insertion in pornography features women inserting various odd objects into their anus or vaginas. Watersports pornography features sexual activities involving urine, such as golden showers. Group sex is sexual behavior involving more than two participants. There is no singular or archetypical behavior; therefore, a wide range of thought patterns and behaviors exist, but all tends to be a harmless and efficacious release from some kind of pressure.