House of the Lute (1979)
1979A rich, disabled old man’s young wife starts an affair with the house servant.
sick bed-ridden or disabled husband
Hidden Passion (1991) – Hong Kong
A housewife bangs her young neighbor and has a threesome with her husband and niece.
Malù e l’amante (1991)
1991A wife had an affair with the stable boy. The stable boy gets jailed but when he gets out, the wife’s rich old husband employs him again, so the wife resumes her affair with him.