User blog comment:FairyRaven/Fairy Tail Chapter 471: Until the Battle is Done, Review and Commentary/@comment-25001290-20160202155214/@comment-7418318-20160203084343

Since it comes from the official side, I'd call those teasers rather than leaks, but I agree.

I'm especially curious in the woman in this Dragon-style costume (maybe Lucy in a Dragon-like Star Dress?) and the green-haired guy who might also hold a celestial key in his left hand.