Masako Suzuka

is the main antagonist of Gaim Gaiden: Kamen Rider Gridon VS Kamen Rider Bravo. She is the secretary of Hideyasu Jonouchi who transforms into . 
==History==
Posing as a normal secretary, she is revealed as the mastermind behind the creation of mutated Helheim fruits, and presumably as the one who transformed Oren into the berserk Kingdurian Arms form (as the twin vines appearing from a Helheim crack that transformed Oren's Lockseed earlier did so in an identical manner to the ones involved in Masako's transformation). 
When Takatora revealed that he had arranged the battle between Jonouchi and Oren in order to draw the real culprit out and confronted her, she admitted her scheme and transformed into Kamen Rider Sylphi. Takatora battled her while Jonouchi struggled to help Oren regain his control over his mind. After she was defeated by Zangetsu Kachidoki Arms, she told him that his battle would never be over. As she vanished, he simply said that that was as it should be.
==Personality==
To be added
==Arms==
Like with the other Armored Riders, Kamen Rider Sylphi's forms are called . Her Sengoku Driver plays Japanese horagai music and announces before every transformation.
By pressing the Sengoku Driver's Cutting Blade down on the Lockseed after transforming from one to three times, Sylphi can activate one of three finishing moves based on her current Arms form: , , or .
==Equipment==
===Devices===
*Sengoku Driver - Transformation device
*Lockseeds - Transformation trinkets
===Weapons===
*Hells Canehttps://toy.bandai.co.jp/series/rider/topics/detail/1873/?t=blog
==Portrayal==
*Masako is portrayed by of the Kamen Rider Girls, who previously cameoed alongside her other groupmates as Team Pop-up in the main series. She would later go on portray Mai in Kamen Rider Gotchard.
==Notes==
*Sylphi's suit is retooled from Kamen Riders Idunn, which in turn was originally the suit for Kamen Rider Kamuro and Jam. The Hells Cane is recolored and modified from Kamen Rider Kurokage’s Kagematsu.
*Masako's actress, Jiena is the first and only Kamen Rider Girls member to portray an actual Kamen Rider. Interestingly until the group's abandonment of individual Rider representation in 2016, she was the representative of Gaim, the series in which this special falls under.
==Appearances==
* Kamen Rider Gaim
**Gaim Gaiden: Kamen Rider Gridon VS Kamen Rider Bravo
==Navigation==
Category:Kamen Rider Gaim
Category:Gaim Characters
Category:Gaim Riders
Category:Villains
Category:Heisei Era Riders
Category:Heisei Phase 2 Riders
Category:Female Riders
Category:Deceased
Category:Special-exclusive Characters
Category:Special-exclusive Riders
Category:Special-exclusive Villains