Reze is the Bomb Devil Hybrid from the Soviet Union, who was sent to Japan with the mission of stealing the Chainsaw Man's heart. 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. While working she wore a white paper hat with a burger logo.