Emanuelle in Bangkok (1976)
Emanuelle in Bangkok (Italian: Emanuelle nera - Orient Reportage, also known as Black Emanuelle 2 and Black Emanuelle Goes East) is an Italian sexploitation film from 1976 directed by Joe D'Amato. It is the second film featuring the investigative journalist character known to her readers as 'Emanuelle' (Laura Gemser). With the word nera (black) in its original title, Emanuelle in Bangkok is considered a genuine sequel to the 1975 film Black Emanuelle. It follows 'Emanuelle' with her friend Robert (Gabriele Tinti) travelling to Bangkok where she is introduced to sexual rites overseen by Prince Sanit (Ivan Rassimov)
More at Wikipedia.