Masked Rider Decade /仮面ライダーディケイド/格斗王
The story revolves around the nine parallel universes of the previous Heisei Kamen Riders merging into one, something that would destroy all the worlds.
To prevent this, Tsukasa Kadoya transforms into Kamen Rider Decade and is told that to save his own world he must travel with Natsumi and her grandfather to the other Kamen Riders’ Worlds called A.R.
Worlds (Another Rider’s World or Alternate Reality World) and defeat the other Kamen Riders.
Along the way, confronting the mysterious Narutaki and the gentleman thief Daiki Kaito, they are joined by Yusuke Onodera of the World of Kuuga and Kivala of the World of Kiva.
2009年，家里经营照相馆“光写真馆”的女孩光 夏海 被恶梦纠缠着：无数假面骑士向仅仅一人的目标—“帝骑”