The First Sagekage Shisui Hashirama Uchiha II was a Shinobi of Konohagakure's Uchiha and Hyūga Clan's, Who rebuilt the Hidden Rain Village of Amegakure, and the citizens of the village were so grateful to Shisui that they sent A letter to the Five Kage and Five Daimyō's acknowledging Shisui as their Leader and the very First Sagekage of Sagegakure, Renowned as the First Sagekage: Shisui Of the Three Great Doijutsu. Sagegakure is also the base of operations for the New Akatsuki led by Shisui, And as the name would suggest, the Shinobi of Sagegakure are extremely Skilled in Senjutsu and all many of Kekkei Genkai. Shisui has ushered in a new era of prosperity for the New Village. Shisui is also revered as the Strongest Kage who ever lived.
The First Sagekage: Shisui Hashirama Uchiha II
The first Sagekage: Shisui Hashirama Uchiha II.