Doomsday Key: 36 Hours to Save Humanity

With a countdown of 36 hours, Lin Ce, a boy from the ruins, was selected by the mysterious circle and became the only key to destroying the "Sky Curtain". Navigated by his dead sister, hunted by hunting packs, he breaks through blockades and explodes reactors, only to discover that he is the carrier of the virus. Using the heart as a bomb, reversely invade the system - zero point returns to zero, the sky falls, and human life begins. The passion is high, the suspense is endless, and the lone brave man at the end of the world makes his final retrograde move!​