There is a secret in this mansion - in the huge mansion "Shadow House" standing on the edge of the cliff, there is a family of faceless people called "Shadows" who live imitating the lives of the nobles. And there are "living dolls" who exist as the "faces" of the shadows and serve them. One day, a "living doll" visited the residence of Kate, a girl of the "shadows". The incredible daily life of the "shadows" and the "dolls" began.