Nina is a short, goth-like human girl with partially spiky black hair with side-swept bangs and a bluish skin color and a tiny dark red N, representing the first letter in her name, located on her forehead.

She has a few freckles under her eyes and two buck teeth, and wears black mascara and lipstick.

Her attire includes the Evil Academy's standard female school uniform, which consists of a dark blue jumper dress over a white collared shirt with a red tie, as well as a belt with a large buckle