A Shadow. A calm and brilliant girl. She harbors doubts about the mansion's inner workings and seeks to uncover the truth. She treasures Emilico deeply.

Kate's Living Doll. A bright, positive, and energetic girl. Though a bit airheaded, she is honest and proactive. She absolutely adores Kate.

A Shadow. He has a boisterous and straightforward personality. He is infatuated with Kate, often letting his enthusiasm get the better of him when she is involved.

John's Living Doll. A boy serving John. He handles tasks efficiently and possesses calm judgment. He has poor eyesight but rarely wears his glasses.

A Shadow. A bright and confident girl who loves herself. She is also very fond of Lou, who serves as her face.

Louise's Living Doll. A girl serving Louise. She is quiet and rarely asserts herself, remaining faithful to her master's instructions. She is characterized by her composed demeanor.

A Shadow. Though he puts on an arrogant front, he is sensitive deep down. He trusts Ricky implicitly and often relies on his advice.

Patrick's Living Doll. A confident and assertive boy. He is quick-witted and devises strategies for his master's sake. He is also quite proud.

A Shadow. The leader of the Star Bearers. She produces an overwhelming amount of soot, a power that she herself struggles to manage.

The leader of the Living Dolls serving Barbara. She has a harsh way of speaking and is feared by the other Living Dolls.