
An earlier works by Biblia Koshodou no Jiken Techou's author, Mikami En, this story starts with the younger of the Kishimoto siblings, Mizuho, getting a phone call from a man claiming to be a policeman, informing her of the siblings' father's hospitalization due to an accident. However, the man, whos injury was not life-threatening, suddenly began muttering— "Red eye, red eye, red eye, red eye, red eye, red eye, red eye, red eye, red eye, red eye, red eye, red eye, red eye, red eye, red eye, red eye, red eye, red eye, red eye, red eye, red eye, red eye, red eye, red eye, red eye, red eye, red eye, red eye, red eye…" Spilling out few more words, the man started coughing intensely, and suddenly dropped dead.
Morpheus no Kyoushitsu is a Japanese novel of 420,348 characters, with 10,447 unique words and 1,836 different kanji. Its difficulty rating on Jiten is hard, 3.0 out of 5. The full vocabulary list ranks all 10,447 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.