Kamen Rider Gaim's First Transformation

Here is the video of the 15th Heisei Rider's first henshin. This is lifted from Kamen Rider Gaim episode 1 is entitled: Transform! The Orange From the Sky!? "Henshin! Sora kara Orenji!?" (変身！空からオレンジ!?). Ever wondered what's happening inside that big orange?