
Kuni wo Shugo Shiteiru Seijo desu ga, Imouto ga Nani Yori Daiji desu: Imouto wo Nakaseru Yatsu wa Ken de Wakarasemasu is a Japanese novel of 106,228 characters, with 6,857 unique words and 1,686 different kanji. Its difficulty rating on Jiten is hard, 3.3 out of 5. The full vocabulary list ranks all 6,857 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.