Flower and Snake (2004) Hana to hebi
Summary:
The wealthy president of a company has built up an unpayable debt to a local crime lord, and to escape punishment he sells his famous dancer wife to the lecherous old man figuring a 90 year old can’t do too much bad with her. Perhaps not, but others can while he watches. She’s put on stage in an underground BDSM sex show and begins a spiraling decent from strongly independent woman to submissive sex slave
