
Reiji Kikukawa, who has a strong sense of justice, graduated from the police academy with the lowest score ever. He becomes a police constable, but is suddenly fired by the Police Chief due to "disciplinary" issues. In actuality, the firing is part of a carefully orchestrated plan to set him up as an undercover cop in the Yakuza.
Mogura no Uta: Senyuu Sousakan REIJI is a Japanese movie of 14,447 characters, with 1,679 unique words and 755 different kanji. Its difficulty rating on Jiten is hard, 3.2 out of 5. The full vocabulary list ranks all 1,679 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.