I've seen a couple of those recently, and the trend seems to be accelerating. We still have a couple more custom close reasons to spare, so I'm thinking of adding it as our second close reason.
The phrasing would be something like:
Questions requesting illegal copyrighted and/or licensed materials is off-topic on our site. Please review the [help/on-topic] to learn what kinds of questions are on-topic for Anime & Manga. If you believe that your question was misinterpreted and wrongfully closed, please edit your question to be clearer on your intentions.
Got suggestions? Alternative wording? Too soon? Don't think it's needed? Please post it as an answer below.