Kei Matoba (ケイ・マトバ) is one of the protagonists in the Cop Craft series.
Kei has dark brown hair slicked back with two strands of hair straggling in the front, long sideburns, and black eyes. He dresses in a gray suit and red tie with black dress shoes.
Kei is noted for his stubborn and short-tempered attitude. He holds grudges against those who wrong him or to whom are close to him and is considered to be uncouth and boorish.
Kei once had a younger sister who died ten years prior.
Cecil Epps is Kei's Ex-Girlfriend.
Tilarna Exedilica is Kei's partner.