Metropolis

From the Dark Horse edition

From Osamu Tezuka, creator of Astro Boy, comes Metropolis, the legenedary 1949 graphic novel that inspired the animate fame that floor audiences and critics alike. In the not-so-far-off future, a beautiful, artificially created girl — unaware of her non-human background :— searches for non-existant parents she believes must exist, wandering alone in a world populated by humans and by the slave driven robots who serve them.

Source: Anime News Network Encyclopedia