
RPG player Makoto Takatsuki is hurled into another world with awful skills and stats. But he soon meets a goddess named Noah, who asks him to become her 1st believer in return for blessings. (Source: J-Novel Club)
Shinja Zero no Megami-sama to Hajimeru Isekai Kouryaku is a Japanese novel of 1,425,192 characters, with 21,442 unique words and 2,388 different kanji. Its difficulty rating on Jiten is average, 2.9 out of 5. The full vocabulary list ranks all 21,442 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.