
The fandisc of the game, "Chou no Doku Hana no Kusari" (released on May 2011). The fandisc adds onto what happened after the events of the happy endings as well as expanding on popular bad ends. There are lots of small bonuses, like a cult quiz, "Chou Doku Questions and Answers Notebook", and "Kyouko's Fortune Telling Hut".
Chou no Doku Hana no Kusari ~Gensou Yawa~ is a Japanese visual novel of 202,443 characters, with 8,703 unique words and 2,007 different kanji. Its difficulty rating on Jiten is hard, 3.2 out of 5. The full vocabulary list ranks all 8,703 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.