okay so this looked interesting but all the ntr arguments had me needing more info, so I read the all the comments and replies that came up in a ctl+f search
from what I can tell you start developing a relationship with her and then find out that she is actively having sex with other guys, even if there is some sob story about her situation it is still 100% ntr and I'm not interested, even if she does stop being a prostitute or whatever the situation is. for me that would just leave a sour taste and the revelation would just have me nope out feeling that it would most likely get worse from there, if you're gonna have that then what else are you likely to include (especially the way the comments describe it happening of sleeping with her, not knowing what she does meaning that she's hiding the fact, and then seeing her come out of a love hotel with some other guy)
especially if what I read about 2 other (vanilla) love interests being removed to accommodate her story is true then it seems likely the story is going to go downhill rather than improve
the main thing to me is how it unfolds, if she intentionally kept you at arms length because of her situation, then it wouldn't be ntr but if she let you close without letting you know then she is intentionally cucking you, whether she wanted to, didn't care, or felt forced to
even if I've misunderstood the depth of mc's relationship with her and it's somehow just a hook-up, it feels off because if she sleeps with the mc without whatever her usual situation involves then it means she sees something special about the mc in which case it doesn't make sense as just a hook-up, and not telling him beforehand is uber mega uncool (aka ntr)
so as far as I can see your rant about it not being ntr is just wrong and you should just own up to what you've made rather than telling everyone it's not what it is, it may not be the focus but it exists and the fact that this very niche, and incredibly divisive genre is included at all should be mentioned, e.g. "this game contains elements of ntr but it is not the main focus, if you can't handle that then this game may not be for you" rather than the way you've currently done so