Oyuki

is Ryotaro's ancestor who resembles his older sister Airi. Her meeting with a samurai wearing a is a predestined event which Shiro attempts to destroy. 
==Behind the scenes==
===Portrayal===
Oyuki was portrayed by , who also played Airi.
Category:Kamen Rider Den-O
Category:Allies
Category:Movie-exclusive Characters
Category:Den-O Characters