The Last Defense: the Journey of Hundred Ghosts

The year 2190 has arrived, and the [Karla] virus has spread wildly, and humans have been pushed to the cliff by their own evil deeds of destroying the ecology. The surviving humans built high walls, [Sky Crows] caused chaos, ghosts invaded, and elves appeared in the world. In these troubled times, the survivors formed elite troops, and some of the best stood out. They were [Hundred Ghosts and Gods Walking].