Intro. In a huge manor deep in the mountains, far from other people, live the Shadows, faceless nobles who emit soot. When the young Shadow approaches adulthood, she is assigned a doll that becomes not only her assistant, but also her face. Emiliko is one of these dolls. She becomes an assistant for Kate, one of the shadows. Despite the difference in characters, Emiliko does her best to meet the needs of her mistress. after learning more about his role and duty, as well as meeting other dolls, Emiliko begins to think about the meaning of existence. There are many strange rules in the House of Shadows. For example, young shadows are forbidden from leaving their rooms until the Debut, an event at which the Shadow is recognized as having received a face. At the same time, Debut is a compatibility test for Shadows and their puppets. A couple who fails to pass this exam is subject to extermination. The structure of life in the House of Shadows is worked out to the smallest detail. The house is divided into children's and adult buildings.