Reze is a Bomb Devil Hybrid from the Soviet Union. She appears to be a young girl, and is of slender build. She has shoulder-length purple hair and emerald-green eyes. 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. Reze appears to be a kind, sympathetic and gentle girl. Reze is a strong girl and she doesn't need anyone's protection. She can take care of herself very well. She's loyal and honest.