
You have the sexually curious imouto, the erotic school nurse, and the cute, over-protective parasite that comes out of our MC Karuto's stomach.
Kisei Kanojo Sana is a Japanese novel of 424,914 characters, with 16,587 unique words and 2,341 different kanji. Its difficulty rating on Jiten is hard, 3.1 out of 5. The full vocabulary list ranks all 16,587 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.