Shan was born into the Ryou Clan by her mother and father, when she became four she began training herself in ninjutsu. When she joined the academy she was the youngest inn her grade to graduate and become a genin. After passing the Chūnin exams and becoming a chunin, shen was selected to take on missions under the Hakkinkage, Shiroitsuchi Ryou. Sometime during her life she meet Hano Uchiha, after completing various missions the two became close and enjoyed each others company. After four years of working together on the Souten along with Tosen the three became close freinds and later on HSan and Hano had there first son Hira Uchiha. After retiring form being a kunoichi she began to look after Hira and her second child Sen Uchiha.
After his battle with Kensai, Hano was killed by Kohaku. After the death of Hano, Shan fell with an incurable disease and died leaving Hira and Sen alone.