Lock of already posted!
Go to the "start game screen" and then go all the way down to the 4th selection with "?????" and then do the Konami code (up, up, down, down, left, right, left, right, B, A) and Bam! A special secret!
http://tinycartridge.com/post/77975749870/the-konami-code-works-with-bravely-default-want
PC Specs: CPU: 7800X3D || GPU: Strix 4090 || RAM: 32GB DDR5 6000 || Main SSD: WD 2TB SN850