Doomsday has come.　　Without any warning, the disaster suddenly erupted and swept through the entire world.　　Countless people died in the disaster, and when those survivors opened their eyes again, they realized that the world had been completely changed.　　Mysterious power, terrible monsters, for human beings, the road in front of them is only survival, or death. For this reason, they abandoned everything, only expecting to be able to struggle to survive one more day in the midst of this cruel world.　　But for Ferren, it was more than that.　　"I think that they need healing."　　Gazing at those struggling to survive in the middle of the wasteland, he smiled and gave his answer.