
Nanto Iwareyou Tomo, Boku wa Tada no Kyuutei Shisho desu. is a Japanese novel of 110,618 characters, with 6,374 unique words and 1,689 different kanji. Its difficulty rating on Jiten is hard, 3.2 out of 5. The full vocabulary list ranks all 6,374 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.