She did say that she had good intuition on
Twitter when she saw the covers revealed, but something tells me that Ayu liked it and had her designer (Takuma Noriage) mock up something similar but 'different' for the actual release.
Here's the banner that was used on AyuAngel's Twitter/Tumblr, later used as Ayu's official Twitter banner:
And then the handwritten (unique letters, all Xs are different) type that was used on sixxxxxx's cover:
I assume they roughly traced over the banner and we got what was used on the cover.