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 yearns to Saber and fight Disaster. After a mysterious girl named Motis transfers into his class, his normal life completely changes.
(Source: Anime News Network)
The sword of doom, the tombkeeper of the old world, the master tuner, the final defender of heaven, one of the twenty-four elements of destruction, the boy on Huaihai Road, the sun in the abyss, the ultimate lord of hell: Huai Shi.
(Source: Tencent, translated)