Google Drive is a preferred host for these materials for several reasons:
You don’t need a sketchy Drive link. Here is a professional study workflow using legitimate 2021 materials: minna no nihongo pdf drive 2021
(pdfdrive.com) was a massive online repository of downloadable PDF files—a "search engine for PDFs." Between 2018 and 2022, it was a go-to source for students seeking textbooks, including language learning materials. Google Drive is a preferred host for these