Theta 11-ban Home no Yousei

is a Japanese light novel series written by Rattan Chitose, with illustrations by Kurapon. The series began publication on April 10, 2008 by ASCII Media Works under their Dengeki Bunko publishing imprint.

Synopsis
A girl with silver hair and lapis lazuli and a white wolf live on the platform 2200m above Tokyo Station. They believe in the forgotten promise and are waiting there today. ―High Compress Dimension transport― An era in which the so-called CD "Mirror-colored Gate" and steel railroad tracks connect to the other side of the earth in just a few hours. On a hidden afternoon in spring, a sudden emergency call echoing on Platform 11 of Tokyo Station heralded the beginning of the incident ... A true story of hard science fiction & unfolded by a girl with silver hair TB, a daughter who hates vegetables, Yoshitsune, and a cool AI, Alice.