It's the End of the World, so It Makes Sense to Raise Some Zombies, Right?

Meteorites fell from the sky into the Blue Star, and reddish raindrops fell to all parts of the world. Disasters and changes were born. Liu Yiyang traveled to Blue Star in the parallel world. Before he could figure out the situation, there was a knock on the door outside the house. After opening the door, he found that the person knocking on the door was a pretty mature and intellectual beauty. Just when he was trying to remember who this beauty was, he was jumped directly by the beauty, and then a tearing pain hit his whole body... [Ding, the system binding is successful. You have a new pet to claim, but you need to get it yourself. Although the immediate trouble was solved, Liu Yiyang was still bitten. But don't worry, the system is still very user-friendly. … "Why are you running? What? You said there are zombies over there? Where are they? If you don't mind, can you lead me the way?" From then on, Liu Yiyang embarked on a road of no return. … [No harem, not invincible, slow pace, not cool writing, weird. ]