Along with Sorae Igarashi, Hagire experimented on her in order to heighten a person's immune system, creating the very first Deadman by accident, along with her second personality, the Wretched Egg in order to cope with her suffering. She is voiced by Kana Hanazawa in the Japanese version of the anime, and by Monica Rial in the English version of the anime. Shiro is an albino girl. She has snow-white hair, pale skin and red eyes; even her eyebrows and eyelashes are white. Her hair is very long and reaches down to her knees.
Most of them were infected during the Great Tokyo Earthquake. Ganta Igarashi is an exception for he was infected much later by a unique Nameless Worm by the Wretched Egg herself, during the Nagano school massacre. He became a Deadman with a unique ability, that is the key to the Mother Goose System. People ended up ingesting pieces of this "Red Diamond".