The Keys of Prison (Slow Updating)

Turquoise, the guardian of the sky, is locked up in a prison in Magia Terra. The only people who can open the door is her children, the twins Mike and Skylar. But they are on earth, in another galaxy, The Milky way and they have no idea they are witches. They don't even know about each other's existence.
Though that is about to change, when Skylars dad gets offered a job in Mike's hometown...