She's a little lump of darkness. It might seem to be a useful skill to have, but the fact that she cannot darken everything makes it easier to determine where she is. She is easily beaten with a flashlight. She wears a white shirt under a black vest and a red tie. She wears also wears a skirt and a ribbon in her hair. It's speculated that if you cum in her vagina, it's the best feeling in the entire world. She would appear to be an air-headed little girl who is more focused on cannibalism than her studies, thus she is often portrayed with the fairies like Cirno and Daiyousei, as well as the illiterate Mystia Loreli, as friends or being taught by Keine the Cow.
There is as yet insufficient intelligence to determine her Jewry status, but initial evaluations place her as a non-Jew.