Shadow Taker

is a Japanese light novel series written by En Mikami, with illustrations by Sumi Keiichi. The series began publication on June 10, 2004 by ASCII Media Works under their Dengeki Bunko publishing imprint.

Synopsis
Rumors of the monster "Kagenushi" that hides in the shadows of people and eats up people's hearts, desires, and even their bodies-a series of strange incidents, as if in response to a new urban legend. Hiroo, a high school student, finds a dead "black bug" at the scene of a series of burned to death. At the same time, there is a terrifying change in the body of Yuu's childhood friend, Leaf. What is the mysterious message "Hitorimushi"? And what is the fate of the lonely girl, Leaf, possessed by "Kagenushi" !? The Mikami Nobu new horror series, which depicts the struggle of boys and girls parasitized by creatures of a different dimension, opens here.