Episode 1: Awaken the Destroyer of Worlds
The episode starts with a prologue talking about the Rider War, and Decade's part as the Destroyer of Worlds, and the eventual hero. We then see another depiction of the Rider War, but with a mysterious girl in a purple cloak watching the events, similar to the nightmare Natsumi Hikari has in the first episode of Kamen Rider Decade, only the riders Decade is fighting are dark shadowy versions, and Decade is in his Complete form. Upon defeating the last rider, Decade looks at the girl, and a gust of wind blows her hood off, revealing her not to be Natsumi Hikari, but rather a girl with straight hair in purple and pink streaks. As the scene ends, the girl says "Who are you?", with Decade replying right when the scene cuts to black, but it's not clear as to what he says to her.
We are then introduced to a girl named Twilight, who falls out of bed after a nightmare she had. A young boy named Spike (who is later reveal

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