Character from [[Umineko no Naku Koro Ni]], and [[ushiromiya_battler| Battler]]'s 9-year-old cousin. She is fascinated by the occult, and especially by the legends of [[Beatrice (umineko)|]]. She has a rather troubled relationship with her mother [[ushiromiya_rosa|Rosa]] and has no friends, to the point that her best friend is her [[stuffed_animal|stuffed lion]] [[Sakutarou (umineko)|]]. She often makes a sort of whining "[[uu~|uu-]]" sound that she repeats over and over.

Her witch alter-ego is [[maria_(umineko)|MARIA]], the Witch of Origins.
右代宮真里亞