She Wore Black Stockings and Said: Stop Saving the World.

Doomsday + decisive killing + single female protagonist + hardcore setting + backlash A cosmic disaster called "The Tide of Entropy" has struck human civilization - entropy is the law that causes all order to move toward chaos and the accelerated collapse of all things. The protagonist Chen Hui possesses the "miracle hand" to repair the world, but in every rescue, he unintentionally accumulates entropy debt and accelerates the end of the world. He is the only antidote and the most deadly poison - repairing and destroying at the same time.