ELON Musk's sister is successful in her own right and is the CEO of an erotic fan fiction site called Passionflix.
It's this role that's just got Tosca Musk a new profile in The New York Times detailing how she runs the 'Tesla of erotic stories'.
The New York Times states: "Forget Twitter. This Musk Is Into ‘Toe Curling Yumminess.’"
That's a phrase that Passionflix likes to use to describe its content.
Passionflix is a streaming service just like Netflix but it specializes in movie adaptations of popular romance novels, including the classics as well as some erotic fan fiction.
The 47-year-old younger sister of the Tesla and SpaceX CEO is proud of her job and has slammed critics.
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The New York Times quotes Tosca Musk explaining: "Most of the time people look down at romance — there is apparently something radical in having female desire as a main theme — and they don’t think that romance is intellectual enough.
"I think that is wrong. Romance is about validating emotions. It’s about removing shame from sexuality. It’s about uplifting stories."
As well as breaking taboos, Tosca Musk is also making a lot of money.
Her brother may be a billionaire but romance novels and their subsequent film adaptations are a billion-dollar industry in their own right.
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Passionflix launched back in 2017 and costs users $5.99 a month.
Content is rated on a "barometer of naughtiness."
Just like Netflix, it sections content into categories called things like "Toe Curling Yumminess" and "Mildly Titillating".
The content may be raunchy but it's never pornographic.
Instead, it's said to be of the "soft-core" variety.
Tosca didn't confirm to The New York Times whether Elon Musk is involved in the business.
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She said: "If I say that he is an investor, then everybody says, 'Oh, she just got her brother to pay for it.
"And if I say he didn’t invest, then you all say, 'He doesn’t support her.'"
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