Other name: 不完全神性机关伊莉斯, 不完全神性機関イリス, 불완전 신성 기관, Fukanzen Shinsei Kikan Ilis
Summary: Three quarters of the world, is the world of the dead. The world has been invaded by phantoms. One day, a boy named Nagi finds in the mountains of scrap wood a mechanical teenage maid girl. He immediately takes her home to repair her. The first things that Elise, this mysterious mechanical maid, says is, "Good morning, Nagi." Who is this mysterious silver haired girl? The fate of the world rests in their hands.