How do hentai websites deal with DMCA?
 

First of all, I noticed for the newcomers it's common to greet the community first. Hello everyone!

I'm working on my hentai website with full-length videos, delivered through S3-compatible storage and CDN behind the scene. Those aren't mirrored from the other websites.

What bothers me is how the other websites manage to stay in the search results without being taken down with copyright claims? Some hentai websites do have the DMCA page where they provide the contact email, but still have a pretty wide variety of videos, some just straight-up do not include it, especially the most famous ones, like hanime. How do they deal with DMCA notices? Or the Japanese companies simply don't bother about DMCA?