Man I see so many possibilities of this shit going sideways…
But even ignoring everything else, this part
Let me get this straight; she rewards you being open to her sexual advances but punishes you when not?
Honestly man, there is NO reality of this turning out good for you, even if you´d get some fun action out of it short term.
Fucking up your career at best, and being fired +, with her already showing so many red flags, potentially you ending up as the one being accused of sexual harrassment for not giving her what she wants.
ksub already mentioned the ethical implications.
Just don´t.