Chou Yuu Sekai: Being the Reality

In a world where mysterious beings called Disasters continually threaten the peace of the world.

A special military unit called Saber is formed to oppose Disaster.

Private conglomerates and the independent self-defense organization Blade also form, and advance on the enemy.

Noii is a high school student who years to join Saber and fight Disaster.

After a mysterious girl named Motis transfers into his class, his normal life completely changes.