Falcomhas released the single with the opening theme for Sen no Kiseki II which is going on sale in September.
As always, the links in this article are for Amazon.com, but as Falcom is making these available on multiple regions of Amazon (by posting them on Amazon.co.jp), if you can’t purchase digital albums from the US site, then check your own region- they may be available there as well.
This single is available for $.99.
You can purchase the album digitally here.
If you wish to support this site at no extra cost to yourself, you can purchase the albums through my Amazon Affiliate account here.