
Futari de Hajimeru Sekai Seifuku is a Japanese novel of 469,714 characters, with 15,377 unique words and 2,130 different kanji. Its difficulty rating on Jiten is average, 2.9 out of 5. The full vocabulary list ranks all 15,377 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.