Taking advantage of this situation, Tori Aoi, head of Musashi Ariadust Academy's Supreme Federation and President of the student council, uses this opportunity to lead his classmates and try to prevent the apocalypse and bring humanity into a better future.

Twenty-nine compilation volumes covering eleven separate arcs have been published by ASCII Media Works' imprint Dengeki Bunko.

A second, four-panel comic strip manga, illustrated by Kuraun Hani and titled Kyōkaisen-jō no Horako-san (境界線上のホラ子さん), was serialized in between the January 2012 and November 2012 issues of ASCII Media Works' Dengeki G's Magazine and was collected into one volume.

The game is an RPG, the story is partially based on the anime and the novels but also includes an original scenario, with more than 80 characters from both media making an appearance.

[3] An anime television series based on the light novel was announced in the March 2011 issue of Dengeki Bunko Magazine.

[4] The series has been licensed by Sentai Filmworks in North America and was simulcasted through the Anime Network on October 4, 2011, followed by a home video release in 2012.