One Piece and Kamen Rider Crossovers
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Kamen Rider OOO: Unlimited Adventure by Fenikkusumaru reviews
While attending a Kamen Rider convention, friends Kurogasa Kururugi and Koji Shinamori fall through a portal, bringing them to a world of pirates, magic, and Kamen Rider OOO brought to life. Now, joining with a heroic pirate crew, they must find out what it means to be a hero and discover the truth of their hidden pasts to save an island.
Rated: T - English - Adventure - Chapters: 6 - Words: 56,867 - Reviews: 46 - Favs: 80 - Follows: 57 - Updated: 10/31/2014 - Published: 2/9/2014 - [Nami, OC]
Kamen Pirates by E. Wojo reviews
The enemies of the Kamen Riders have invaded the One Piece World and a new group of riders from our world must stop them. CHAPTER 12 REDONE, CHAPTER 13 UPLOADED
Rated: T - English - Fantasy/Adventure - Chapters: 16 - Words: 35,386 - Reviews: 36 - Favs: 17 - Follows: 16 - Updated: 10/24/2011 - Published: 6/1/2009