She Was Both Called God, As Well As Satan

In the distant future on Earth, there was a girl with God-like powers. That girl is the last survivor of the former human race that flourished in ancient times. The Ancients. And on that very same Earth, a new breed of humans with the ability to wield Magic emerged. That girl began to observe the new human race silently. Sometimes called a God, other times called Satan, that girl continued to observe the new human race. This is the story of the happenings between the lonely girl and the hardworking new human race. Not my will remove the story if the author ask to