* Based on a supernatural slice of life manga by Soumatou. 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? Source: M-U
koala is JPN BD Remux+Modified Sootery, CR, and PGS Kawaii is Kawaiika-Raws+Sootery (Official with the full fansub treatment)
Comparisons: slow.pics