
Koperu-kun is a junior high school student and experiences many different things in his school. He often is given advice from his uncle about life and how to be a good person. A good portion of the book is written in the form of notebook entries and reads vertically like a novel. Most of the book is in manga form.
Kimitachi wa Dou Ikiru ka is a Japanese manga of 50,844 characters, with 3,716 unique words and 1,098 different kanji. Its difficulty rating on Jiten is expert, 4.1 out of 5. The full vocabulary list ranks all 3,716 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.