Crying pornography that features participating actors crying. Sub-genres of Japanese porn Among the various sub-genres of Japanese pornography are the following: Lolicon ロリコン: This genre involves prepubescent and adolescent girls between the aged of 6-12. First found in softcore movies and erotic thrillers, depictions of lesbianism entered mainstream cinema in the 1980s. In pornography, hentai videos depictions of lesbian sex form a popular subgenre, directed toward a male heterosexual and female homosexual audience. He talked to them extensively on camera so that both he and the viewer can come to know them before any sex scenes. Such films continued to be produced but could only be distributed by underground channels. Others gay bear porn may also use vibrators and other sexual devices more commonly associated with female masturbation. Especially popular in post-World War 2 Japanese culture. Sloppy seconds is a slang phrase for when a man has sexual intercourse with another person who already has received another man penis in the relevant orifice and is therefore wet or sloppy. After the prerequisite level of sexual stimulation has been achieved, and ejaculation becomes imminent, the male will position his penis so that the semen discharged will be deposited onto his partner face. While bondage is a very popular variation within the larger field of BDSM, it is nevertheless sometimes differentiated from the rest of this field. A common way that these are depicted in a single scene is with one woman and two men performing together. Group sex can occur between people of all sexual orientations and genders. Unlike the traditional definition of the term, in fetish usage a cuckold is complicit in their mature milfs partner sexual infidelity and takes masochistic sexual pleasure in it. 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.