Guinea Pig 6: Devil Woman Doctor whose original name is (-)Za ginipiggu 6: Peter in Akuma at Joi-San-) is a horror film, produced in Japan in 1986, directed by Hajime Tabe.Sixth film of the Guinea Pig series, was released on September 10, 1986 in Japan.This film was deliberately made to earn money with negative advertising around the series during the late 1980s in Japan. After the Japanese serial killer Tsutomu Miyazaki addicted to the Guinea Pig series movies tortured and killed a series of young girls in Japan, copying the films.This was the main reason for the film producers to make a comic approach in this last film of the series, in order to ease the climate around these films.The film was released as "Part 4" in some countries, while it was, in fact, the sixth part of the series. Several members of the cast also appeared in earlier films of the series "Guinea Pig". Eva and Masahino Diagona Diamo Sato had already appeared in "Piaami's" as well as "Piaman'sine's" written in "The Master.