|Name in Japanese||猴|
|Debut (Light Novel)||Volume 13|
|Appears in||Light Novel|
|Title (s)||Sun Wukong|
Kou (猴?) is a female student of the Hong Kong Butei School and a member of Ranban. She is a Sun WuKong possessed by the Scarlet Ammo with the ability to shoot a laser beam from her eye. She was part of Greneda, but became part of Deen when the Ranban was defeated by Kinji.
Kou is petite beautiful girl with long black hair going down to her legs. When her powers are activated two horns appear on top of her head. She wears the typical Butei uniform, but with a shorter top revealing her stomach area.