Freedom

Humanity has been enslaved.
Imprisoned in a country on a barely recognizable Earth, a young man named Lucifer Eyusha is stuck in this world he will forever hate. He goes through the life humans have to live now, as a Miner. When the time arrives for him to finally get a Class Upgrade, he is surprised to find out he has somehow been chosen as a Soldier instead.

One thing leads to another and soon he finds himself fighting alongside Humanity's strongest Soldiers. After witnessing the events of his first battle unfold, Lucifer realizes the truth of this broken world. The years of sorrow and anger fuel his determination as now he understands his mission; to fight for the FREEDOM of humanity, no matter what it takes.