The Unexplored Summon:// blood-sign (5)

is the fifth volume of the The Unexplored Summon:// blood-sign light novel series, written by Kazuma Kamachi and Illustrated by Waki Ikawa. It was released under the Dengeki Bunko Imprint in June 2016.

Synopsis
A battle in which all three summoners who reign at the top of the three major powers are lost. That is the whole picture of "Secret War" by "White Queen". --I want to eliminate conflicts around the world. In order to realize such a simple dream, genius children who aim to be the strongest summoners gathered in the underground facility "Hakoba". That is the "Ichigo Brothers, Siblings and Sisters Plan". The children of the genius were dealt cards with their respective casts (unmei). Alberto as a "hat shop". Kyomi Shiroyama as "Queen of Hearts". Beyondetta as "Cheshire Cat". And Kyosuke Shiroyama as "Rabbit of the guide". This is just a memoir of the time that has already been lost. However, it is inevitable when talking about "now." The worst unexplored "White Queen" and the boy who summoned her. What happened at that place at that time? Let's start. The story of "Secret War" that destroyed everything.

(source: Dengeki Bunko Official Website - Translated)