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. It is practiced by people of all sexual orientations, and can be part of a full repertoire of sexual activity. Within a BDSM or D/s context, facesitting can be an especially intense form of erotic humiliation. Common phrases used to refer to these individuals are chicks with dicks, trannies, or gay bear porn shemales, although these are generally considered pejorative slurs among transwomen. Felching involves drinking recently ejaculated semen from the vagina or anus. Weather Report Girl is considered yuri hentai in English usage for its depiction of lesbian sex, but in Japan it is just yuri. The first film was released in 1980 starring Kay Parker. Interest in BDSM can range from one-time experimentation to a lifestyle. It is also often mixed with other fetishes in practice, such as voyeurism, denial, etc. It can be combined with fellatio and the woman may move her breasts up and down on the penis for an additional stimulation, usually before the man reaches orgasm. Making a pearl necklace is one of the activities that sex workers use as safe sex alternatives for people who refuse to wear condoms. The speed of the hand motion will vary from person to person, although it is not uncommon for the speed to increase as ejaculation nears and for it to decrease during the ejaculation itself. 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. It explores the more mental aspect of BDSM. The surfacing porn milf of sex tapes has become so common that some are leaked gay hentai as a marketing tool to advance or establish a media career. Rape itself is a crime in many countries. However the genre remains a very small proportion of the pornographic DVD market; for example at porn retailer HotMovies.