
In a world where humans triumphed in a great war, Kai guards sealed crypts containing their enemies. But when “World Rebirth” overwrites history, he’s thrust into an alternate reality where humanity lost the war and he’s been forgotten by everyone he knows. Now, this lost hero must rise to restore the world’s balance! (Source: Crunchyroll)
Naze Boku no Sekai wo Daremo Oboeteinai no ka? is a Japanese anime of 40,974 characters, with 3,124 unique words and 1,106 different kanji. Its difficulty rating on Jiten is hard, 3.1 out of 5. The full vocabulary list ranks all 3,124 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.