Reze appears to be a young woman or girl, and is of slender build. She has shoulder-length purple hair and emerald-green eyes. She is shown to be prone to blushing heavily. While posing as a civilian, she is seen wearing a choker in order to conceal the grenade pin in her neck, which she uses to transform.[2]

In her debut appearance, she wore a loose shirt with stylized drawing of a bell on the front, and a backpack.[2] When she visited a school with Denji she wore a plain white shirt and shor
