Erotic Ghost Story (1987)
Erotic Ghost Story is a Hong Kong erotic film remake of the 1987 film The Witches of Eastwick. Directed by Lam Ngai Kai and starring Amy Yip, So Man, Hitomi Kudo and Manfred Wong, it was released in 1990, though it was first screened in 1987 at the Sitges Film Festival in Spain.
More at Wikipedia.