Long ago in the land that was once known as the land of lightning, a small clan strives surviving the battles with the other clans their biggest foes the Uchiha Clan and Senju Clan. The Yōso clan used their extremely rare and unheard of kekkei genkai the Kutsugan, This special technique with in the clan is unrecorded by anyone other than the clan itself. This clan is thought to be extinct but one member survives hiding and plotting.