In the Realm of the Senses

In 1936 Tokyo, Abe Sada is a former prostitute who now works as a maid in a hotel. The hotel's owner, Ishida Kichizo, molests her, and the two begin an intense affair that consists of sexual experiments and various self-indulgences. Ishida leaves his wife to pursue his affair with Sada. Sada becomes increasingly possessive and jealous of Ishida, and Ishida more eager to please her.
(Source: filmingo.ch)
~~ Based on the true story of Abe Sada and Ishida Kichizo. ~~ Co-production with France.