
Tonosama Kibun de Happy! is a Japanese novel of 515,443 characters, with 15,938 unique words and 2,149 different kanji. Its difficulty rating on Jiten is hard, 3.6 out of 5. The full vocabulary list ranks all 15,938 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.