She is a baku youkai and has the ability to create, change, and eat dreams. She is the watcher of the dream world.
She is depicted with pom-poms on her dress, holding a book on her right arm and wearing a nightcap. She has shortblue hair, blue eyes, and a tail. In Antinomy of Common Flowers she has a longer nightcap and long hair hidden under it, as well as less pom-poms on her dress.
Her "Nightmare of Chimera" spellcard gives her a form that's been nicknamed Doreking.
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