
Chiharu and her younger brother Junpei live together. Chiharu is 30-years-old and she is funny, but also has a sharp tongue. Junpei is a good brother and he is considerate to Chiharu. After they come home from work, they eat and drink together. Doing that, they talk about various subjects like love, work, and their interests.
Boku no Nee-chan is a Japanese drama of 30,933 characters, with 2,325 unique words and 789 different kanji. Its difficulty rating on Jiten is easy, 1.8 out of 5. The full vocabulary list ranks all 2,325 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.