Dragon to the Throne

Lucy Heartfilia is the last Fairy of her kind but she doesn't know that. Natsu is to be the next king of dragons and must mate by his 18th birthday. They meet at the school she must now be the new school nurse to and have an instant connection. Lucy finds out what she is and must now take care of Natsu, who is now in heat and ready to mate. She must come to terms with her faith and how her life is going to change for the better or worse