Description
- Host : Ryoko Mizuki
- Gender : Female
- Ally Type : Interpol investigator
- Season : Kamen Rider X
- Homeworld : Earth
- First Appearance : X-X-X-Rider is Born!!
- Last Appearance : Mystery!? Little Earth - Middle Earth - Big Earth
- Appearances : 8 (Episod)
- Actor : Naoko Miyama
Behind the scenes / Portrayal
Ryoko Mizuki was portrayed by Naoko Miyama, who also portrayed her identical twin sister Kiriko Mizuki.
Appearances
- Kamen Rider X episode 1, X-X-X-Rider is Born!!
- Kamen Rider X episode 2, Run, Cruiser! X-Rider!!
- Kamen Rider X episode 3, Assassination Dark Spider Operation!!
- Kamen Rider X episode 4, G.O.D., the Shadow of Fear!!
- Kamen Rider X episode 5, The One-Eyed Monster's Human Review Operation!
- Kamen Rider X episode 6, The Japanese Islands Fragmentation Plan!
- Kamen Rider X episode 7, The Terrible Genius Human Project!
- Kamen Rider X episode 8, Mystery!? Little Earth - Middle Earth - Big Earth
- Kamen Rider X - Full Series