User blog comment:LegerPrime/Natsu or Lucy?/@comment-4449950-20151127040352

Well, it's entirely up to you, so no-one's going to be able to settle it because it's subjective.

For me, Natsu is the main character, but the story is told through Lucy, with her as the narrator/the one who decides how the story is told.

Take that as you will (imo this makes Lucy just as important as Natsu in terms of main character, but w/e)