
Nanairo Reversible is a Japanese novel of 66,853 characters, with 3,609 unique words and 1,083 different kanji. Its difficulty rating on Jiten is easy, 2.0 out of 5. The full vocabulary list ranks all 3,609 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.