A well-known example is The Dream of the Fisherman's Wife which depicts a woman being pleasured by two octopuses.
Shunga production fell with the rise of pornographic photographs in the late 19th century.
, and the English initialism AV (for "adult video").
Usage of the term hentai does not define a genre in Japan. The Oxford Dictionary Online defines hentai as "a subgenre of the Japanese genres of manga and anime, characterized by overtly sexualized characters and sexually explicit images and plots." The origin of the word in English is unknown, but Anime Nation's John Oppliger points to the early 1990s, when a Dirty Pair erotic doujinshi (self-published work) titled H-Bomb was released, and when many websites sold access to images culled from Japanese erotic visual novels and games.
Japanese artwork and comics serve as the first example of hentai material, coming to represent the iconic style after the publication of Azuma Hideo's Cybele in 1979.
Japanese animation (anime) had its first hentai, in both definitions, with the 1984 release of Wonderkid's Lolita Anime, overlooking the erotic and sexual depictions in 1969's One Thousand and One Arabian Nights and the bare breasted Cleopatra in 1970's Cleopatra film.
The term "ecchi" is typically related to fanservice, with no sexual intercourse being depicted.
The term eroge (erotic game) literally defines any erotic game, but has become synonymous with video games depicting the artistic styles of anime and manga. For example, outside of Japan a work depicting lesbian sex might be described as "yuri hentai", but in Japan it would just be described as "yuri". The original meaning of hentai in the Japanese language is a transformation or metamorphosis. In the Japanese language, however, "hentai" is not a genre of media but any type of perverse or bizarre sexual desire or act.Erotic games, another area of contention, has the iconic art style first depicted in sexual acts in 1985's Tenshitachi no Gogo.The history of each medium itself, complicated based on the broad definition and usage.