
Tetsuya Takahashi was suddenly summoned to another world. However, his invocation was a mistake and after participating in the level review...he has the weakest [level limit], lv.1, the king seeing his limit calls him "defective" and condemns him to death! Despite being summoned against his will. Tetsuya is thrown into the valley of the monsters. There he was attacked and brought to the brink of death, and when he used his unique skill [Absorb Corpse], he gained the skills that the corpse possessed! "...Let's do it! Survive in this world, become strong and take revenge on those who were summoned. The "level 1" man who was called "defective" and "weak"... now begins the ascent to be the strongest! (Source: Kadokawa, translated)
Genkai Level 1 kara no Nariagari: Saijaku Level no Ore ga Isekai Saikyou ni Naru made is a Japanese manga of 63,887 characters, with 4,565 unique words and 1,258 different kanji. Its difficulty rating on Jiten is hard, 3.1 out of 5. The full vocabulary list ranks all 4,565 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.