Kū

is a shinobi from Iwagakure.

Appearance
Like important Iwa figures, Kū dresses in a green and red robe. His face is mostly obscured by some form of mask except for his right eye and a slight showing of brown hair.

Abilities
Kū is seemingly capable of using an Iwagakure kinjutsu, Akuta, to create golems made from stone.

Mitsuki's Disappearance Arc
Kū met with Kirara and Kakō in what appears to be some form of research facility for the production of Akuta.