Is there a twilightcore, coquette, fairy core type aesthetic
Have you checked out Larme Kei? I might be what you're looking for. The page isn't as fleshed out as I would hope. So I'd suggest you look at Larme magazine's official site and Instagram to get a better feel.
https://aesthetics.fandom.com/wiki/Larme_Kei?so=search
What do you think?