Nanami Izanami

Nanami Izanami (いざなみ 七海, Izanami Nanami) is the protagonist of the story. She was formerly a Farsya before her sick heart was replaced by her mother's, who is a Nora. Present, she lives in Tokyo as a half-Nora as well as a half-Farsya. She is a three-tailed Nora whose tails could not be controlled by her own will as the Nora genes in her body collides with the Farsya's. Her main objective is to find her long lost sister who had disappeared from everyone's sight four years ago. Due to her imbalance 'structure' in her body, she possesses the ability to go berserk like a mindless beast, going around and devour others.

Personality
Nanami is a kind person who usually cares about the others especially her unit members. She often forgets things and sometimes during her heartaches, she keeps it to herself without asking for help. She is quite emotional and lazy but she never gives up when it comes to life and death.