
Ishidaira is a delinquent who visited the library for the first time since elementary school. But then, he was pointed out by Hayasameru and Shirai, who works at the library, that he has not returned a book that he borrowed ten years ago. A manga about how Ishidaira went from trying to borrow a book from a library to working there instead.(Source: Kodansha, translated)
Zeikin de Katta Hon is a Japanese manga of 103,846 characters, with 5,786 unique words and 1,282 different kanji. Its difficulty rating on Jiten is average, 2.5 out of 5. The full vocabulary list ranks all 5,786 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.