Suiren (Kiri)

was a kunoichi of Kirigakure.

Background
Ten years prior the start of the series, Suiren was part of Ganryū's team in retrieving a document taken from Kumogakure. After retrieving the document, Iwagakure, who had assisted in the mission, betrayed Ganryū's team and killed Suiren, who sacrificed her life to save Ganryū.