
Tensui no Sakuna-hime: Kokorowa Inasaku Nisshi is a Japanese anime of 6,841 characters, with 888 unique words and 430 different kanji. Its difficulty rating on Jiten is hard, 3.5 out of 5. The full vocabulary list ranks all 888 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.