
853 refers to the precinct where Detective Shinnosuke Kamo used to work. But this was before he accidentally shot a criminal in his custody. After that incident, Detective Kamo is reassigned to a smaller, rural jurisdiction. For 10 years, he keeps his nose to the grind, continuing to do great investigative work despite the demotion to a smaller police precinct. Until one day, he is called back to put his detective skills to work again in the 853.
853 - Keiji Kamo Shinnosuke is a Japanese drama of 67,580 characters, with 4,050 unique words and 1,202 different kanji. Its difficulty rating on Jiten is hard, 3.2 out of 5. The full vocabulary list ranks all 4,050 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.