Itanji-tachi no Houkago

is a Japanese light novel series written by Inori Yuzuhira, with illustrations by Eiji Usatsuka. The series began publication on December 10, 2012 by ASCII Media Works under their Dengeki Bunko publishing imprint.

Synopsis
Hinata, a demon who lives among humans, is about to be killed by a magical girl, Honoka, without any questions. It was a mysterious facility called Shinjuku Underground Airport that I arrived at after a short break ...