
Itsunomanika Tutorial Oji-san Toshite Ninkisha ni Natteita is a Japanese novel of 207,601 characters, with 7,064 unique words and 1,519 different kanji. Its difficulty rating on Jiten is average, 2.9 out of 5. The full vocabulary list ranks all 7,064 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.