Born in 1905, later became a geisha / waitress / prostitute, had many affairs and reportedly required multiple rounds of sex per night leaving her lovers exhausted.
Eventually she met a man who satisfied her, and they fell madly in love, and they did a lot of kinky choking stuff, leading to her intentionally choking him to death, so that no other woman could have him. Then she cut off his penis and balls to take with her, fleeing into hiding for awhile. She wanted something to keep him close in her memory and those were the parts that she was most fond of and was able to carry easily.
She was caught, tried, and convicted of murder and desecration of a corpse. After 5 years she was released from prison.
That’s not even all of the story, there are more crazy details in the Wikipedia link.