
When water shortages are reported, Tsukasa sees the image of a girl looking at her and shedding tears. Soon he meets Miru, a girl who claims to know him although he's never seen her before. As the attacks by the supernatural demons known as Ayakashi begin, where will it all lead?
Ryuu-Koku is a Japanese visual novel of 478,065 characters, with 14,635 unique words and 2,074 different kanji. Its difficulty rating on Jiten is hard, 3.0 out of 5. The full vocabulary list ranks all 14,635 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.