While a single file doesn’t exist legally, you can easily build your own collection using MangaDex + “Save as PDF” or Tachiyomi. For the best experience, read online with an ad blocker or use offline-capable manga apps.
While you cannot directly download PDFs from the official source, K MANGA , Kodansha's official platform, is the legal way to read the series in English. descargar hajime no ippo manga pdf ingles