The next day, her coworker, Tanaka-san, saw her frustration. "Mika-san, are you studying kanji?"
If you're looking for free resources, consider the following:
Since you can't get a Shin Kanzen N5 PDF, these are the most similar books in terms of depth and practice: Nihongo Sou Matome N5
Passing the JLPT N5 isn't about finding the "perfect" secret PDF. It is about showing up every day with consistent, quality material. Good luck, がんばってください!
actually begins at the N4 level and does not have a dedicated N5 edition.