Kiriko Mizuki

Kiriko Mizuki (水城 霧子): Ryoko's twin sister who is an Interpol investigator. She died protecting Keisuke from Strong Arms Atlas' arrow.

Portrayal
Kiriko Mizuki was portrayed by Naoko Miyama (美山 尚子), who also portrayed her identical twin sister Ryoko Mizuki.

Appearances

 * Icon-x.png Kamen Rider X
 * Episode 1: X-X-X-Rider is Born!!
 * Episode 2: Run, Cruiser! X-Rider!!
 * Episode 3: Assassination Dark Spider Operation!!
 * Episode 4: G.O.D., the Shadow of Fear!!
 * Episode 5: The One-Eyed Monster's Human Review Operation!
 * Episode 6: The Japanese Islands Fragmentation Plan!
 * Episode 7: The Terrible Genius Human Project!
 * Episode 8: Mystery!? Little Earth - Middle Earth - Big Earth