
When he was in 6th grade, a boy had his first kiss with his older cousin, whom he had a secret crush on, and he has never been able to forget that memory. Eventually, he goes on to high school and meets his cousin again, who is now a college student... (Source: Gagaga Bunko, translated)
Taka ga Itoko to no Koi is a Japanese novel of 341,671 characters, with 12,396 unique words and 2,118 different kanji. Its difficulty rating on Jiten is average, 2.8 out of 5. The full vocabulary list ranks all 12,396 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.