
Death-row inmate Sudo sends a letter to magazine reporter Fujii. In his letter, he states that a man named Kimura, also known as "teacher," committed numerous murders for insurance money. While checking out the story, based on Sudo's tip, Fuji becomes convinced that the letter is correct. But, a lot of time has passed from the incidents and Sudo's testimony isn't clear. Due to the persistance of Sudo, who is a former yakuza, and Fuji, the police begin to move.
Kyouaku is a Japanese movie of 16,259 characters, with 1,553 unique words and 693 different kanji. Its difficulty rating on Jiten is hard, 3.1 out of 5. The full vocabulary list ranks all 1,553 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.