Ningen no Inai Kuni

Shii is the only human left in a city inhabited by nothing but machines. As she flees through the eerie streets, hunted by the sinister Triangle Head, she encounters a golem named Bulb. Can Shii survive long enough to form a friendship with this strange creature–and perhaps even change the world?
(Source: Seven Seas Entertainment)
Note: The chapter count includes 10 side stories and one epilogue.