At Rubrum's Akademeia, cadets are divided into twelve classes based on their magical expertise. Kurasame Susaya feels that he is wasting his time with the immature cadets in Class Third, so he strives to be a part of real missions with the elite Class First where cadets take their roles more seriously. With the proposal of a test of courage, however, Kurasame begins to see his class as more than just lazy idiots, but his chances of being a part of the class are taken away after tragedy strikes.

As a result of the disaster, Kurasame and three of his fellow classmates Miwa, Guren, and Kotetsu unite to help support each other, and to defend Rubrum from the outside forces that will do anything to see it fall.

The cadets of Akademeia's Class Zero are legends, with strength and magic unrivaled, and crimson capes symbolizing the great Vermilion Bird of the Dominion. But will their elite training be enough to keep them alive when a war breaks out and the Class Zero cadets find themselves at the front and center of a bloody political battlefield?!

From Aerandria Scans:

Ever since ancient times, there have existed people who prevent the darkness of the night from swelling... They are the sorcerers, the only ones who have the power to oppose the darkness!