In a single night, the entire world froze! Blizzards raged, temperatures plunged dozens of degrees below zero, and civilization's order collapsed completely.
Qin Ye, an ordinary wage slave, nearly became one of the first casualties of this frigid apocalypse. At his breaking point, he unexpectedly activated the [Survival Sign-In System]. Check in at a different location each day to receive food, equipment, and even superpowers!
But true opportunities come with deadly dangers. The appearance of a mysterious crystal known as the “Zero-Degree Source Crystal” not only gives rise to terrifying mutated creatures, but also makes it a key coveted by every faction. It can help people evolve, or freeze them to death in an instant!
From silent apartment blocks to perilous urban ruins, from run-ins with sinister raiders to clashes with mysterious research organizations, Qin Ye relies on the System, absorbs source crystals, strengthens himself, expands his shelter, and gathers allies as he struggles to survive on a frozen wasteland.
But he soon discovers that an even more astonishing secret may lie behind this natural disaster... Where did the source crystal veins beneath his feet come from? Why did the System choose him? Will humanity's future be a return to glory