She is the daughter of Kenichi Shirahama and Miu Fūrinji and was born after they had gotten married. She is a member of the Fūrinji Clan and the Kuremisago Clan.


She mostly resembles her mother, but also inherited characteristics from her father such as her hair color and the color of her eyes. She also wears a bandaid on her left cheek like her father does. From her mother she received the hair clips that once belonged to her grandmother Shizuha.


She never appeared in person in the manga and was only seen on one of the photos on Kenichi's desk. The picture shows her holding hands with her parents.