
Chou! Isekai Gakkyuu!! is a Japanese novel of 192,200 characters, with 9,228 unique words and 1,822 different kanji. Its difficulty rating on Jiten is average, 2.6 out of 5. The full vocabulary list ranks all 9,228 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.