
Yojouhan Kaitaku Nikki is a Japanese novel of 401,133 characters, with 13,541 unique words and 2,069 different kanji. Its difficulty rating on Jiten is average, 2.6 out of 5. The full vocabulary list ranks all 13,541 words by how often they appear, and you can study them on Jiten or download them as an Anki deck.
Here are some of the words that appear most often in this media, as well as a sample of its rarer vocabulary.