The male protagonist Lin Han is an ordinary college student at Tianyun University. His confession was rejected. He picked up a ring on the way home and said it was the end of the world. At first he didn't believe it.
Then meteorites came and zombies broke out. Lin Han went back to find the ring, but was shot to death and the blood accidentally activated the apocalyptic survival system.
Lin Han relies on the system to survive in the apocalypse and uncover the truth behind it.
