This is such a specific niche, but you've nailed a surprisingly persistent trope. I've seen a ton of these stories pop up, usually revolving around Hinata after the war or during 'Boruto' era events. For dedicated platforms, FanFiction.net still has the deepest archive if you use the right filters. You'll want to search 'Naruto' > sort by reviews/favorites > and then keywords like 'betrayed' or 'traitor' in the title/summary. A lot of the classics are there from the 2010s, though the site's clunkiness is a real mood-killer sometimes. Archive of Our Own has a more modern tagging system that's a godsend. The 'Betrayal' tag often gets paired with 'Uzumaki Naruto' and 'Uzumaki Hinata' or 'Hyuga Hinata'. You can filter out the 'M/M' pairings if that's not your jam, which saves a lot of scrolling. The quality on AO3 tends to be a bit more polished on average, I've found, but the sheer volume of angsty, revenge-focused plots is definitely stronger on FF.net. Don't sleep on niche forums either, like 'NarutoFanfic' on Reddit—people often drop links to their own or others' works in dedicated request threads, and you can sometimes find gems that never made it to the big sites. A lot of those have a raw, unedited passion to them that the more polished sites lack.
Honestly, the whole concept is a bit of a guilty pleasure for me. It requires so much character assassination of the Konoha 12, especially Hinata, to make the premise work, but when an author manages to pull off a believable chain of events leading to that betrayal, the catharsis of Naruto just... leaving? It's weirdly satisfying. The power escalation in the aftermath is usually over-the-top, but that's half the fun.