Princi resembles a young woman with waist-length black hair. She has eight legs ending in scythe-like curved points which are sharp enough to stab through flesh. She appears to have a zipper in the center of her face with the pull under her chin to unzip upwards.She normally wears a shirt and elaborate bow-tie with a knee-length skirt. Princi usually takes a human shape so she tends to be friendly to humans and works as a devil hunter herself. She is shown to have a polite and docile.