When the end came, I was trapped in the ruins of the city, but I accidentally picked up a fox demon cub that had lost its demonic power. In order to feed this whining monster, I, who used to be a social animal, began to learn the rules of survival in the apocalypse. From fighting zombies to upgrading to fighting alien beasts, while others are still worrying about food, I have built a dreamland in the apocalypse. She originally thought she had a cute little cute girl, until one day, the nine tails behind her slowly unfolded, and the whole world began to tremble. What is the origin of this little thing?