The tyrannical rule, foolish king and greedy nobles cause the powerless citizens nothing but misfortune. In this ruined land, Sion Astal, the son of King Roland and an ordinary woman is faced with the difficult destiny of rescuing the country...and his friend!

The apocalypse is not only near, but a certainty. Set before the event and the aftermath detailed by the hit manga, this stand-alone prequel light novel series chronicles the inexorable approach of the reign of vampires. Witness the trials of Guren Ichinose, who must hide his true strength even as he is trampled on at an academy for the insufferably privileged.

(Source: Amazon)

Raina Lute is a lazy student of Roland Empire Royal Magician's school. One day, Roland Empire goes to war against a neighboring country Estaboole, and he lost his classmates in the battle. After the war, Lute sets out for a journey to search the relics of a "Legendary Hero" at Emperor Zion Astar's command. And he finds out a deadly curse spreading the continent.

One day, a mysterious virus appeared on Earth which killed every infected human over the age of 13. At the same time, vampires emerged from the world's dark recesses and enslaved mankind. Enter Hyakuya Yuuichirou, a young boy, who along with the rest of the children from his orphanage, are treated as livestock by the vampires. Even in captivity, Yuuichirou dreams big. He dreams of killing vampires. He dreams of killing them all.

Now, let's kill the girl and save the world!

The world has been shattered. As a result of the most dreadful of diseases that afflicts only girls --- the 《Labyrinth Disease》. That's why the students are taking lessons. Lessons for the purpose of killing the girl. Learning magic, obtaining the map of the labyrinth, forming teams, and studying the weakness of the girl...... The time limit is 6 hours. If the girl isn't killed within that time, then the world gets destroyed.

"I have no interest in the world at all so please spare me. Frankly, it's really suffocating." Together with the one who said these words, the most horrible protagonist in history, enter the world of whizzing magic and surging youth.

A school fantasy in labyrinth raiding, begins here!

(Source: Baka-Tsuki)