Bro, I don't know about that. If there is a crusty prostitute, or even an escort, it doesn't take me out of the game unless there is an explicit scene or details of their work. If she's NOT a LI, which
Deovan has to confirm, I don't see why she can't exist in the game. For example
Midlife Crisis has a prostitute in the game. In the story
Nefastus choose to explain her profession as an escort that is pretty much exclusive to MC, as she hasn't worked for other clients in years. Even in the event she was an escort that was active, the Dev never forced her into the story not did she share any details about her profession.
I can see the concern though, but yeah, it depends on how involved she is in the plot.
So Deovan, is the prostitute a proper LI? Cause I can see that being a bit of an issue to some. If she is just a random girl MC has sex with, then that's not a problem, just don't make a habit of showing her with other guys or talking about her "experiences"