Kurogane Communication(1998)

Kurogane Communication is a post-apocalyptic anime series set in a ravaged near-future Earth. Haruka, possibly humanity's last survivor, lives among the ruins of Japan alongside five robot companions. Hunted by relentless Combat Machines locked in endless warfare, she struggles to carve out an existence and locate other human survivors. The series blends survival drama with science fiction, exploring themes of isolation, companionship, and hope in a world reduced to ash. As Haruka navigates hostile terrain and mechanical threats, her bond with her robotic allies becomes central to her quest for meaning and connection in a desolate landscape.