Angel Guts is a six-film series of pink films produced between 1978 and 1994. The Nikkatsu Corporation was responsible for the production of the majority of the series. In accordance with the "pink film" genre, the prevalent theme in the series is sex, but violence is also featured prominently in the films. Angel Guts is based on the manga series written by Takashi Ishii, who also directed the fifth and sixth films in the series.