sfasgag

After a mysterious crack appeared on Earth's atmosphere various races and mana flooded the world. 80 percent of the humanity has died due to mana while the reamining 20 percent were hunted and enslaved by other races that were proficent with mana. After roughly 150 years after the event a group of human survivers will try to reclaim their rights of Earth from other races, the story starts with a group of young man from Sky Tower, one of humanities small remaining hideouts. Will they be able to achieve true freedom or die along the way?