Natsu's Sister The Queen Of Magic

The Fairy Tail guild is a wizard guild with many powerful wizards. That includes the most powerful team of wizards,
Lucy, a celestial wizard.
Natsu, a Dragon slayer.
Titania Erza, a powerful requip wizard.
Happy, an exceed.
And Gray, a maker magic ice wizard.
They get suspicious when they meet a girl claiming to be Natsu's sister and the Queen herself, the one who founded and created magic.
When Natsu doesn't believe her he gets mad, making her believe she is not wanted and leaves.
Will they find her?
Is she in danger?
Why don't you read and find out!