
Himitsu Kessha to Rule to Koi is a Japanese novel of 85,354 characters, with 5,314 unique words and 1,436 different kanji. Its difficulty rating on Jiten is average, 2.6 out of 5. The full vocabulary list ranks all 5,314 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.