
Mushi-uta's story takes place in the near future. Ten years before the story's opening, strange insect-like creatures known as "Mushi" began appearing. The Mushi are able to consume peoples' dreams and thoughts in return for supernatural powers. Protagonist Daisuke "Kakkou" Kusuriya encounters a young girl named Shiika Anmoto. The two, in time, become quite close. However, unbeknownst to Kakkou, Shiika is an escapee from a secret prison known as GARDEN where those possessed by the Mushi, known as the Mushitsuki are held. GARDEN's military force, the Special Environmental Conservation Executive Office, dispatches its finest killer to track down Shiika. However, they are faced with resistance from the Mushibane resistance organization, led by the secretive "Ladybird". (Source: Anime News Network)
Mushi-Uta is a Japanese novel of 2,091,711 characters, with 26,096 unique words and 2,464 different kanji. Its difficulty rating on Jiten is hard, 3.4 out of 5. The full vocabulary list ranks all 26,096 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.