Chattes en chaleur (1979)

When Bernard comes home from work (never-mentioned) he is welcomed by his wife Nincia and her servant Van. He is given a bath and a massage before the evening meal. The two women are Asian (well, better not dwell upon that ...) as is the food and everything else in Bernard's life. But Nincia fears that Bernard might get tired of her and tells her best friend (Li?) about it. She suggests offering him a second wife, discarding Van who must remain Nincia's servant.