Apocalypse Rewind: My AI System Says I'm Overpowered

When marine biologist Shen Qiyan wakes up forty-nine years in the past to prevent humanity's extinction, she discovers she's in the wrong timeline—the apocalypse already happened. Armed with her lab's advanced AI system and one hundred days until total collapse, she must navigate a world of ravenous zombies and terrifying mutants while unraveling why history went catastrophically wrong. In this parallel universe where the rules have changed, her omnipotent abilities might be humanity's last hope... or its greatest variable.