Mangajikan used to be THE place. Like supposedly even more traffic than Facebook in Japan. But they very recently got shut down. Like less than a week ago.

You can look for possible future revival. Which they had briefly but dead again.

I don’t know any others. But you can search starting from that keyword.

Sorry for Reddit, but check this out.

https://old.reddit.com/r/FluxAI/comments/1laxin7/flux_kontext_veo_3_is_insane/

No more uncanny weird shit in latest. And this one is open source.