Apocalypse Reborn: My Grandpa is the System Core!

When Mu Yi awakens in her second life, the last voice she expects to hear is her grandfather's—the man who died too soon in her first timeline. But this time, he's back as something impossible: a sentient system determined to keep her alive. "Mission activated: Survive the apocalypse," he commands, and suddenly she's thrust into a world of monsters, mutations, and impossible choices. With her grandfather's cryptic guidance and mysterious powers at her fingertips, Mu Yi must navigate the end of civilization itself. Can a reborn survivor and a system with a grandfather's heart conquer doomsday t…