
Tomodachi no Ushiro de Kimi to Kossori Te wo Tsunagu. Dare ni mo Ienai Koi wo Suru. is a Japanese novel of 368,085 characters, with 10,400 unique words and 1,882 different kanji. Its difficulty rating on Jiten is average, 2.2 out of 5. The full vocabulary list ranks all 10,400 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.