Tsuchikure no Titania

, is a Japanese light novel series written by Jiro Masuko, with illustrations by Mizoguchi Keiji. The series began publication on July 10, 2006 by ASCII Media Works under their Dengeki Bunko publishing imprint.

Synopsis
Yoshifumi Oga's mysterious days began when she realized that Asuka Misaki, the most beautiful girl in school who was feared as a "tyrant of fear", was a childhood friend.

Asuka was a girl who used the power she received from "Mountain Kami" to monitor "bad things" that had come down from the mountain.

The first in a series of funny, scary, and a little bit sad youth ghosts!