JAVLibrary
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JAVLibrary works like a combination of IMDb and Letterboxd for Japanese adult video. Each title gets its own page with the studio, cast, director, scene code, and user ratings. The search is reliable and the coverage of older catalogue titles is better than almost anything else available in English.
It does not host video itself, but many title pages include links to where the content can be found. Creating a free account lets you track what you’ve watched and rate titles. For anyone serious about following JAV releases or actresses, it’s the standard reference.