Oretachi ni Haka wa Nai is a Japanese movie of 10,288 characters, with 1,152 unique words and 500 different kanji. Its difficulty rating on Jiten is hard, 3.1 out of 5. The full vocabulary list ranks all 1,152 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.