World Collapse, New Reality!

The Flash looked at the alien army continuously invading the city around him, as well as the humans fleeing in panic. A trace of reluctance showed in his eyes. Yet he knew clearly that he could not stop here. Because if he stopped, he would not be able to completely rewrite the future of alien invasion, nor would he be able to truly save this world. Filled with determination, The Flash continued running backward. And the time around him continued flowing backward along with his retreat.