Shuumatsu Sekai no Hakoiri Musume
Through the Viewport: Child of a Ruined World·終末世界の箱入りムスメ
After humanity's collapse, the world is left in decay, with factions of autonomous war machines and biological weapons continuing senseless battles in the remnants of their creators' civilization. A humanoid mobile weapons unit, designated Number Ten, discovers a human child and forms a strong protective attachment to her. The two begin a journey to locate other human survivors and reunite the child with her people, while also making the most of their time together.