
This anthology-style mystery series is part of the D‑5 PROJECT, centered around Detective Office 5 - a long-running private detective agency in Kawasaki. Each detective is known only by a number rather than a name (e.g., Detective 596, 532), with standalone stories featuring different characters and surreal, quirky cases.
Tantei Jimusho 5: Another Story is a Japanese drama of 163,648 characters, with 8,369 unique words and 1,715 different kanji. Its difficulty rating on Jiten is hard, 3.5 out of 5. The full vocabulary list ranks all 8,369 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.