The Celestial Royal Family.

Leo or Loke. Either one is the Celestial Prince. Leo goes to the Human world to look for his Sister, The Princess Lucy Heartfilia. But he fails. When Leo tried to return to the Celestial world it wouldn't allow him. So he got a disguise and a fake name. He called himself Loke. 3 years later his Step-Sister, Lucy Heartfilia goes to Fairy Tail. What will Lucy do when she finds out that she is the Celestial Princess? How will Fairy Tail save not just Leo's but Lucy's life too? Will the Celestial King, Queen, both Princess and Prince go to their aid? How will everyone take it when Leo shows his true self?