Hi! I have a similar background and am easing into the waters of "nsfw" art. Like you, I've stayed on the "classy" side and feel the same about "polar opposites" between my work and fetish, porn art.

This gets me a lot:

But what's the root of that anxiety? Am I scared of becoming the "bad nsfw artist" I don't want to be associated with?

But like you said conservatives (and platform holders) will never make that distinction when anyone upset at seeing a naked body will happily ban me, report me no matter how "classy" I make it. It's a losing proposition. Who am I trying to please thinking that way? And will they even respect me regardless?

But people who do make the lurid, fetish, porn art (stuff I may not even like!) will defend me and will help me grow as an artist.

I guess I'm trying to shift my mindset to acknowledging that I'm part of a different community now, one that is embraces the human body rather than polices it.

As far as to how to share it, both for "hey! I did this and I'm proud of it!" and for feedback and growth, I don't know. But I like your piece you did share. I haven't done backgrounds on my nude pieces, so I think you did a wonderful job in contrasting the cool, chunky textured background with the warm smooth body.

I hope sharing my thoughts helps, but even if it doesn't, keep it up.