User blog comment:FairyRaven/Fairy Tail Chapter 387: Tartarus Arc, Part 4: Father and Son, Review and Commentary/@comment-7418318-20140606131954/@comment-4829046-20140606134608

Yeah, he got that according to the word "opening". What he means is that the people who did the Opening for something like AoT is doing one for Sailor Moon of all things.