Finding those perfect ghostly love stories on AO3 feels like sifting for gold in a digital graveyard sometimes. The 'Ghosts' fandom tag alone will give you a tidal wave of stuff, so the key is layering your filters. Start with the fandom and the 'Ghosts & Spirits' or 'Supernatural Elements' category tags, then add a relationship tag for your preferred pairing. The real game-changer is diving into the 'Additional Tags' section. Look for tags like 'Ghost Character', 'Ghost/Human Romance', 'Pining Ghost', or 'Ghostly Possession'—these often signal the exact flavor you're after. Filter by kudos or bookmarks and set it to 'English' if that's your thing.
Once you've got a list, the summary and author's notes are your best friends. I've found that writers who bother with detailed tags and a coherent summary usually deliver on prose quality. If you find a fic you love, check that author's bookmarks. It's a backdoor into their curated taste, and I've discovered some of my favorite slow-burn, beautifully-written spectral romances that way. Don't sleep on the 'Ghost' tag for characters either, especially in bigger fandoms like 'Supernatural' or 'The Magnus Archives', where you might get a wonderfully tragic standalone piece.