The System of Rebirth in the Apocalypse Is a Real Dog

[Survival in the apocalypse + system space + abilities + single female protagonist + zombies + collecting supplies + planes] Ma Xu was reborn and received a lucky star system, which automatically awarded a lucky star every day. "System, although the golden retriever is very handsome." Ma Xu looked at the dog beside him, a little surprised, "But I like border collies, so you should change your dog behavior." "By the way, let's change the system's prompt tone to a dog barking. It'll be more comfortable to listen to." "Also, from now on you will be called Xiao Mu." "Host, I am the system, not a real dog." Xiao Mu was dissatisfied. "Xiao Mu, are you a male or a female?" "Host, I am the system, regardless of male or female." Xiao Mu was depressed. "Host, there is a superpower crystal core in the second-level mutated zombie. If you absorb it, you can gain superpowers and increase your strength." Komaki said. "Why didn't you tell me earlier?" Ma Xu said and kicked Xiao Mu. "Because it's only now." Xiao Mu looked aggrieved, "Host, a gentleman talks but doesn't do anything. Can you please stop kicking me?" "No." Ma Xu smiled faintly, "I have the final say on my system." His system is a dog, accompanying him to collect supplies, seek revenge, and survive. After experiencing many hardships such as zombies and extreme cold, he traveled 30,000 miles to return home...