Fifty years in the future, a large invasion of monsters lead by one pony, causes a wormhole that is used by the Masked Rider Den-O to allow the salvation of ponykind.

KC's birthday is a pretty exciting one, because it's her first birthday, but she's not exactly a baby. KC had arrived in Equestria from a unknown source and all she knows is that she wants to learn a whole lot more about the world arou