The series has strong influences from Alice in Wonderland, Through the Looking Glass and What Alice Found There the writer Lewis Carroll, The Wizard of Oz writer Frank Lyman Baum and the story of Little Red Riding Hood. The opening theme single performed by FictionJunction included "Parallel Hearts" and "Hitomi No Chikara" in both vocal and instrumental versions. The first ending theme "Maze" by Savage Genius.
Bezarius Oz, heir to one of four great duchies, has served 15 years. He lives a quiet, luxurious and carefree, darkened only by the absence of his father, with whom he seems to have a good relationship. With him are his uncle Oscar, Ada, her little sister, and Gilbert, his faithful servant, in an old mansion in which his coming of age ceremony will take place.