User blog comment:B214/Talk About What You Want! 3/@comment-27711757-20160211034933/@comment-24502975-20160211132712

Iirc, that is official, but the description of it is entirely wrong.

That's from the artbook and talks about the original designs for Saji, Millicas, Ise's Balance Breaker, and Downfall Dragon-Spear. That's what my memory tells me at least.