Dansho no Grimm

is a Japanese light novel series written by Gakuto Coda, with illustrations by Mikazuki Kakeru. The series began publication on April 10, 2006 by ASCII Media Works under their Dengeki Bunko publishing imprint.

Synopsis
Nightmare bubbles mixed with human fear and madness. It sometimes begins to take the form of a "fairy tale," which is a mass of negative "archetypes," and spun out new stories. And what is the story that Aoi and Yukino, who met in a nightmare, follow?

An illusionary tale presented by a genius is here!