Practically? If you are a student of the game and just want to read Kubo’s notes on "The Lust" (Ulquiorra’s poem), you might find fan-translated versions of the on archive.org or dedicated manga forums like The Pirate Bay of Manga (use your discretion).
Among the holy trinity of Bleach guidebooks ( Souls , Characters , and Unmasked ), the third installment——is often considered the holy grail. Bleach Databook Unmasked Pdf
Disclaimer: This blog post is for informational purposes. We do not provide direct links to copyrighted PDFs. Please support the official release when possible so Viz Media knows we still want Bleach reprints! Practically
You would be shocked how many libraries have a copy of Unmasked sitting in a warehouse somewhere. and Unmasked )