User blog comment:Miskos3/Fairy Tail Chapter 488: The Two of Us, Always, Review/@comment-73.191.17.103-20160610022822/@comment-25395791-20160610152535

I'll tell you why. Mashima got bored with the development of Mest's character, so he decided to cut him out, which will probably happen in the upcoming chapter ^o^ (NO SPOILERS)