The Unexplored Summon://Blood Sign

Unexplored Summon://Blood-Sign (未踏召喚://ブラッドサイン) is a light novel series authored by Kamachi Kazuma and illustrated by Ikawa Waki, published by ASCII Media Works under the Dengeki Bunko imprint. The Unexplored Summon://Blood-Sign revolves around Shiroyama Kyousuke who is the cutting-edge ers.

The light novels span for ten volumes in the main story volumes.

It has been featured in the Toaru Majutsu no Index light novels as they share the same author and publisher.

Plot
Summoning ceremonies can freely call forth even "those which lurk in the depths beyond the gods". One boy has top-level abilities even among the cutting-edge ers who can use those ceremonies.

He is Alice (with) Rabbit aka Shiroyama Kyousuke.

But this strongest er has a single fatal weakness.

A certain "cursed words" spoken by girls: "Help me."

When Kyousuke hears those words from Meinokawa Higan, a girl brought to the verge of death, he throws himself into a city where three great er forces clash!

Principal Characters

 * Shiroyama Kyousuke – Ace er of talent from one of the three main er factions, Freedom.
 * The White Queen – The strongest Unexplored-class Material.

World Rejecter Arc


The first volume of The Unexplored Summon://Blood-Sign cover along with the first volume of Heavy Object cover are featured in color illustration. .

Processor Suit Arc
When Hamazura uses the payphone, the screen displays a deformed pixel art Brother Santa being chased by Queen Reindeer near the paid amount and being caught when it runs out, a reference to The Unexplored Summon://Blood-Sign.