If you already have the book and need digital aids to help you memorize, these community resources are excellent:

A: No single resource is enough. The PDF covers ~300 Kanji. N2 requires ~1,200. However, the 300 in this book are the high-frequency ones (the Kanji that appear on every single test). Master this book, and you have 70% of the reading section covered.

Commit to . Do not skip days—the strength of Somatome is its cumulative review.