
27 year old Adachi Momoko lost both her parents in an accident when she was in third year high school. She then gave up going to college and has been working at a home centre for the past nine years while supporting her three younger brothers who are now 20, 17, and 14 year old respectively.
Nee-chan no Koibito is a Japanese drama of 72,570 characters, with 3,049 unique words and 924 different kanji. Its difficulty rating on Jiten is average, 2.8 out of 5. The full vocabulary list ranks all 3,049 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.