I Am Raising Spirits and Upgrading in the Apocalypse

Ah? Father! Are you saying I might be infertile? "Yes, it's passed down from our ancestors, like a curse..." Nan Nian looked bitterly at her girlfriend who was busy in the kitchen and loved children. What kind of human suffering is this? And just a few days after Nan Nian received the call, a world-ending crisis suddenly occurred... Zombie crisis? Not just! It's chaos! Weird, scary, cute, beautiful, handsome and other beings appear in the world. Later, humans struggling to survive in this hell-like world discovered that this was just...