is a 1992 Japanese pink film. This erotic film was directed by Ryū Murakami (村上 龍) with music by Ryuichi Sakamoto (坂本 龍一 ). The film was shot and completed during 1991 and released in the start of 1992. It stars Miho Nikaido (二階堂 美穂) and is also referred to as Topaz, that title being both the translation of the original Japanese title and that of the Murakami story it is an adaptation of. Because of the cruel and graphic nature of this film, it has been banned in several countries such as Australia and South Korea. Shimada Masahiko (島田 雅彦) also makes an appearance in this film. The story follows , the submissive and lovesick prostitute who goes about her trade with misery and is being abused by hedonists and criminals while trying to find some sort of appeasement away from the fact that her lover is currently married.

Plot

Ai, a timid 22-year-old college student in Tokyo, works as a prostitute for an exclusive escort agency that caters to wealthy, perverted men. To please her clients, Ai has to play out elaborate fantasy scenarios involving sexual humiliation and light sadomasochism/bondage.