My System Awakens in the Apocalypse

Su Tianyu suddenly opened his eyes. The glaring sunlight made him instinctively raise a hand to shield them. Car horns blared nearby, and crowds chattered. It all felt so familiar, yet so strange.

"Am I... still alive?"

He looked down at his hands. The ghastly scars were gone, and there was no dried blood beneath his fingernails. He was wearing a clean T-shirt and jeans, not the tattered tactical vest.