Kurumi may be a beautiful girl whose beloved boyfriend, Hal, died during a sudden airplane accident. Left heartbroken and gloomy, she isolates herself during a small house. But this soon involves change when her grandfather requests the assistance of a humanoid robot named Q01.
Taking on the looks of Hal, Q01 is shipped to Kurumi’s house so as to save lots of her from her state of despair. As Hal returns day after day and increases his efforts, Kurumi, despite her initial reluctance, slowly begins to open up to him and break away from her depression. But there’s more to Hal than meets the attention , and these two will soon learn an unexpected truth about this relationship between a person’s and an android.