
Hazuki is a weather forecaster who finds herself in a Chinese-style parallel world. While selling umbrellas in the city, she receives a request from an official to predict the weather for the Vernal Equinox Festival. She rashly agrees, but if she fails, she'll be beheaded... Who knew!? (Source: Kadokawa, translated)
Tenrankoku no Sora Yomishi: Isekai de Tenkiyohou Hajimemasu. is a Japanese novel of 125,134 characters, with 6,380 unique words and 1,653 different kanji. Its difficulty rating on Jiten is average, 2.9 out of 5. The full vocabulary list ranks all 6,380 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.