
Young gamer Shuutarou is among the lucky few chosen to playtest Eternity, the latest VRMMORPG, and he wastes no time in activating his unique dungeon creation skill…at the exact moment when the game glitches out! Now he and his fellow playtesters are trapped, and their very lives are at stake. Shuutarou happens to end up in the one area that has yet to be patched into the game: the final-boss lair where the six Evil Overlords lurk. They promptly declare him their master—and with Eternity's strongest baddies on his team, Shuutarou is up for any adventures this new life will throw at him! (Source: Yen Press)
Mijissou no Last Boss-tachi ga Nakama ni Narimashita. is a Japanese novel of 510,858 characters, with 14,710 unique words and 2,207 different kanji. Its difficulty rating on Jiten is hard, 3.6 out of 5. The full vocabulary list ranks all 14,710 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.