
Before he joined the Armed Detective Agency, Osamu Dazai was the youngest-ever executive with the Port Mafia, the most notorious underground crime syndicate in all of Yokohama. Three of its members-Dazai, Odasaku, and Ango-formed a camaraderie despite their vast disparities in rank. When Ango suddenly goes missing, Odasaku, a lowly Mafia grunt, receives direct orders from their boss to find him...only for Ango's trail to lead Odasaku to a mysterious, foreign criminal organization called Mimic. (Source: Yen Press) Note: The novel was later adapted into the Bungo Stray Dogs anime, consisting of episodes 13 to 16.
Bungou Stray Dogs: Dazai Osamu to Kuro no Jidai is a Japanese novel of 94,207 characters, with 6,859 unique words and 1,877 different kanji. Its difficulty rating on Jiten is hard, 3.5 out of 5. The full vocabulary list ranks all 6,859 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.