The Cheater!

What if Lucy and Natsu were dating. Then when Lisanna came back Natsu starts cheating on Lucy with Lisanna. When Lucy finds out and leaves. Then when she comes back she is stronger than ever. The twin dragon slayers and Lucy both join Fairytail and Lucy is in love with Rouge. What happens in the adventure with Lucy. Find out.
I DON't OWN FAIRYTAIL. ONLY THE STORY LINE.