Faceless shadow nobles living in a vast mansion, attended by living dolls who spend much of their time cleaning up the soot endlessly emitted by their mysterious masters. Follow the story of Emilyko, a young and cheerful living doll, as she learns her duties serving as the attendant for Kate Shadow-sama. What dangers and dark secrets will she and Kate encounter, as they become more deeply involved in the inner workings of the shadows' society? What do you think about this manga?