Ruu

https://www.kamen-rider-official.com/zukan/characters/1087 was an African girl whom Eiji Hino befriended during his adventures. However, Eiji's failure to prevent her death was a major factor in his motivation throughout the show.
==History==
Ruu belonged to a certain tribe, located in a desert and the country is in civil war, fighting over the few resources they have. The country is heavily hinted to be an African country. Ruu is eventually killed in the war, Eiji is saddened over this and tries not to let this happen again. Due to this, it caused Eiji to lose any desire and become willing to help those in need, going so far to even risking his neck for complete strangers, while refusing to return to his politician family and living in an astray life instead. 
===Kamen Rider Zi-O===
Although losing his memories as a Kamen Rider, Eiji fondly remembers her in his past, being the main reason he join the parliament.
==Behind the scenes==
===Portrayal===
Ruu is portrayed by .
==Notes==
*Though her name wasn't revealed during the series of Kamen Rider OOO, it is revealed as Ruu in Zukan.
==Appearances==
* Kamen Rider OOO
**Episode 2: Desire, Ice Pops, and Presents 
* Kamen Rider Zi-O
**Episode 10: Hawk, Tiger, and Grasshopper 2010 
==References==
Category:Deceased
Category:Kamen Rider OOO
Category:Civilian
Category:Allies
Category:OOO Characters