Rōzu was the older sister of Sakura Haruno making her the daughter of Mebuki and Kizashi. She was a member of the Akatsuki and Konohagakure.
Background
Rōzu was born in the afternoon of June 9th which was the same day as Itachi Uchiha to Mebuki and Kizashi, six years after her birth, she received a little sister named Sakura. When she entered the ninja academy which was at age six, Rōzu and Itachi became great friends. At age seven, the two friends graduated and became Genin.
Personality
When Rōzu was young, she was a sweet and loving girl, every time her parents were busy or gone Rōzu would take care of Sakura.