Super cute sister and brother transcended time and space to the magic world and saved all mankind?! Down to the depth at the end of the parallel world outside the earth, there were twelve magic seals, which sealed a host of devils from ancient times. One day, the twelve magic fairies guarding the seals were trapped and badly hurt by the evil vassal king. The king even cursed the fairies and turned them into baby beasts with little magic. Only by finding twelve children selected by fate could the fairies regain magic and save the world. The story begins here...