User blog comment:IamJakuhoRaikoben/Chapter 420: Lamia Scale's Thanksgiving, Review./@comment-121.54.54.39-20150217022815/@comment-7418318-20150217231721

It's been called that since chapter 2...

But I'm very sure that Hiro Mashima didn't know the Song of Ice and Fire when he released that chapter back in 2006.