A woman with unfathomable moods who is a core member of the Superhuman Bureau. She is highly skilled in tracking the enemy, possesses uncanny knowledge and strange skills. Having lived with Jiro from the time he was in grade school, they are childhood friends whose fates are closely linked. She was born from a union between a human and a different species which has been known since ancient times as "yokai" or goblins. Behind her somber expression is a woman who dreams of a world where her species and man can live in harmony.