Princess and the Thief

The great thief Natsu Dragneel, AKA The Salamander, breaks into the royal castle of Fiore to steal a special stone. While making his getaway he saves Lucy Heartphilia, the Princess, and gets captured. What happens now? Will love bloom between this unlikely couple? Or will their worlds crash down on their heads. nalu, and other ships like jerza, gale, and gruvia.