She is Aiba Shu's lover, and the main driving force behind Shu's actions. She's the Chief Scientist at N.I.D.F. and is involved in the investigation of the mysterious "Book of The Dead" behind the strange mutation animals worldwide. After the beginning of the series when the worldwide cooperation to assault the Hadean failed, she lost her memory just up to the point of joining N.I.D.F. The only thing she remembers is the name Shu, she somehow believed that she had killed Shu.