
Yachiru is a Hasshakusama youkai living in the human world. Because the prevailing public image of Hasshakusama is that they're lewd (not scary), her powers have weakened and her height has shrunk from its original 8 shaku (240 cm) to about 190 cm. She strives to correct that impression, but each day is another failure. However, while at the cinema to study horror films, she meets Seiichirou, a young man who is a huge fan of Hasshakusama. That's when Yachiru realizes that whenever Seiichirou praises her, her height returns to its original size...!!! (Source: Kodansha, translated)
Yachiru-san wa Homeru to Nobiru is a Japanese manga of 44,837 characters, with 2,937 unique words and 971 different kanji. Its difficulty rating on Jiten is average, 2.4 out of 5. The full vocabulary list ranks all 2,937 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.