
Haruko lands a job in a local tutoring establishment and upon showing up for work on the first day, she discovers that she will not be teaching Japanese people, but teaching people Japanese. Her students are all foreigners who live in Japan for several reasons, and she is faced with their many questions on the Japanese Language that she'd never really thought of before.
Nihonjin no Shiranai Nihongo is a Japanese drama of 62,616 characters, with 3,865 unique words and 1,138 different kanji. Its difficulty rating on Jiten is average, 2.4 out of 5. The full vocabulary list ranks all 3,865 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.