
Naofumi Iwatani, an uncharismatic Otaku who spends his days on games and manga, suddenly finds himself summoned to a parallel universe! He discovers he is one of four heroes equipped with legendary weapons and tasked with saving the world from its prophesied destruction. As the Shield Hero, the weakest of the heroes, all is not as it seems. Naofumi is soon alone, penniless, and betrayed. With no one to turn to, and nowhere to run, he is left with only his shield. Now, Naofumi must rise to become the legendary Shield Hero and save the world! (Source: One Peace Books)
Tate no Yuusha no Nariagari is a Japanese novel of 1,466,812 characters, with 21,466 unique words and 2,389 different kanji. Its difficulty rating on Jiten is hard, 3.0 out of 5. The full vocabulary list ranks all 21,466 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.