Yakumo

Yakumo is a playable character and the protagonist in the Ninja Gaiden 4.

A young ninja of the Raven clan, a branch of the Hayabusa clan, and a direct descendant of the Dark Dragon, Yakumo is following Ryu Hayabusa's footsteps to become a Master Ninja. As a fighter he thrives in battle and possesses incredible talent for his age. While on a mission to assassinate the priestess of the Dark Dragon, Seori, he discovers the truth about the Dark Dragon and resolves to break the seal on his ancestor.