While bondage is a very popular variation within the larger field of BDSM, it is nevertheless sometimes differentiated from the rest of this field. Fantasies of group sex are extremely common among both men and women, and group sex is a subgenre in pornographic films. In some societies, the terms fox, plum, chick, lesbian hentai or chicken are preferred. Failure to honor a safeword is considered serious misconduct and could even change the sexual consent situation into a crime, depending on the relevant law, since the bottom has explicitly revoked his or her consent to any actions that follow the use of the safeword . Each participant may engage in any type of sex acts with one or both of the others, such as vaginal, anal or oral sex or mutual masturbation. In gay pornographic movies, actors who identify themselves as heterosexual, but who nevertheless perform explicit sexual acts with other males on film do not face the same stigmas as the mainstream acting counterparts and indeed can rise quickly to being featured actors. Asian people or Asiatic people are people gay twinks who descend from a portion of Asia population. This style of filming is in contrast to having a separate, third-person camera crew filming all the action. Some BDSM practitioners prefer a code of behavior that differs from SSC and is described as risk aware consensual kink , indicating a preference for a style in which the individual responsibility of the involved parties is emphasized more strongly, with each participant being responsible for his or her own well-being. It is mutual consent that makes a clear legal and ethical distinction between BDSM and such crimes as sexual assault or domestic violence. He talked to them extensively on camera so that both he and the viewer can come to know them before any sex scenes. The anus has a relatively high concentration of nerve endings and can be an erogenous zone, and the receiver may receive pleasure from momsex external anal stimulation. Insertion in pornography features women inserting various odd objects into their anus or vaginas.