User blog comment:FairyRaven/Fairy Tail Chapter 329: Seven Dragons, Review and Commentary/@comment-49.176.34.76-20130430152649/@comment-60.53.103.218-20130430155149

The reason why Fairy Tail Best is taking place after Fairy Tail ended is because Mishima requested that they remove all Anime-materials, hell he even planned his own version of Cobra and Kinana reunion but the Anime ruined it in the filler.