Parasite Moon

is a Japanese light novel series written by Soichiro Watase, with illustrations by Hagiyama Masakage. The series began publication on May 10, 2001 by ASCII Media Works under their Dengeki Bunko publishing imprint.

Synopsis
A high school student who can see the "color" of the person's emotions around the person-Shinya Kizaki. He was to accompany his childhood friend, Commelina communis, on his first homecoming trip, and headed for Kakushima. But there was a ridiculous secret on the island. All the islanders worshiped one "god." And Shinya, who was confined by the grandfather of the bow, learns a terrifying fact-that is, there are gods called labyrinth gods in this world, and they are still terrible among those who hunt their genus and gods. To say that the battle is going on ...!