Shadows House

Shadows House (Japanese: シャドーハウス, Hepburn: Shadō Hausu) is a Japanese manga series written and illustrated by the duo Somato.

Plot
Emilyko is a "living doll," born to serve the mysterious Shadow family, a family made of soot. She struggles with her mistress Kate to unravel the shocking secrets behind the seemingly peaceful Shadows House.

Official
https://twitter.com/shadowshouse_yj -- Official Twitter