I Raise Pets in the Zombie World

In a different world, I raise pets to conquer the world. In a different world, I am a person with spiritual awakening abilities. I have the natural ability to summon pets, and everything can obey my orders. However, something seems wrong in this world. It is not just about upgrading and killing monsters. It seems that there are huge secrets hidden deep in the depths. The protagonist needs to decipher them by himself. Can the polluted world return to its past? Can the protagonist return to the original world after traveling through time? What is the setting of this world like? What happened to those capable people? This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.