A tag attached to the film depicts a changing body that does not have a woman (Female)'s body. Made of a non-human character Booty Booty can be made of the presence of human male character most often works there (Mecha Musume, etc.). There are episodes that idea from a long time ago that the booty of women (Female) into God in the mythology of ancient Greece and ancient Rome, to seduce a male or female. Also became the Booty of works 'water margin' of Keisei water margin are very popular in the Edo period in Japan. in genre works Booty of tags named in the pixiv is Fan Fiction, especially for women (Female)'s work occupies a lot, but in fact also for men demand.