Don't Leave Me, Please

Natsu is a 18 year old senior at Fairy Tail Academy for the arts and music talents. Lucy is a 17 year old sophomore at the same school. Natsu had a band in the small town of Magnolia where they both live. Lucy has only 3 friends and plays the guitar. Her parents like punk rock type of music but she's more into pop or clam steady music even though she still likes other music. Natsu's band ,The Flamethrowers ,are a rocker band kinda like punk pop you could say. One day Natsu finds Lucy in the advanced band class room during lunch playing a beautiful song that she just can't finish. Does he help her or continue with his awesome life as a well know rocker but only in Magnolia? P.S. This is a story based off of the movie/book If I Stay.