Avior is a regressor who's been attempting to save humanity from it's inevitable destruction at the hands of an unknown advanced civilization.

After hundreds of regressions Avior has finally given up on trying to save humanity through heroic actions. Now, as a newborn reborn once more, Avior has decided to take a new path. He won't strengthen humankind by being their Hero, he'll do it by becoming humanity's Ultimate Villian!