Adventure Of A Lifetime(NaLu)

Have you ever wondered what would have happened if it wasn't Natsu who saved Lucy at Hargeon?

Lucy Heartfilia is a strong and capable celestial wizard. She can use all the star dresses and has 10 zodiac keys.
One day, Lucy is saved by a blue haired girl and her two comerades. The girl, Levy McGarden, takes Lucy back to her guild and Lucy becomes a member.
Lucy becomes a part of team Shadow Gear with Levy, Jet, and Droy and makes a ton of new friends.
She meets Natsu Dragneel, a strong and arrogant fire dragon slayer. He challenges her to a fight, thinking she would go down easily. The fight ended in a draw and the two have been rivals since.
One day, Fairy Tails master assigns Erza, Gray, Wendy, Natsu, and Lucy to do a dangerous and life risking job. Will Lucy and Natsu be able to get past their differences or will they forever hate each other? And can Fairy Tail's strongest team defeat Zeref, Natsu's evil older brother?

Mostly Lucy's POV(will say if it changes)

P.S. I don't own Fairy Tail or it's characters, I only own this story line concept.