I Will Patrol the Mountains in the Last Days

As soon as she bought a bottle of laundry detergent, Guan Xin was selected by the savior system. Her only doll comes to life and becomes her regulator. After the apocalypse, she went deep into the mountains to build a base, relying on heads to unlock and make money based on heads, and Guan Xin lived a miserable life counting heads every day. Since there are not enough people, let's go out for a walk in the mountains.