So here is the actual cover artwork that will be used for the upcoming blu-ray release in Japan!
The blu-ray is due to be released in Japan and is currently listed for
￥ 43,758 yen on Amazon JP and is due to be released on
April 2, 2019. It will contain 8 discs and the Aspect Ratio: 1.33:1 according to Amazon JP.
If you love Digimon Frontier go and support Toei-Anime if you can and get the blu-ray release. Whether or not we will get it is not known right now due to money.