It is later revealed that there are many other clones of Kai , with Dr. Kamiya and Shiro being among them .
Kai is a man who physically resembles Shirou in appearance , although he is much older .
Shirou is later revealed that there are many other clones of Kai , with Dr. Kamiya and Shiro being among them .
Kai is a man who physically resembles Shirou in appearance , although he is much older .