Guren no Zahyou (Movie size) was released today as a digital download.
The songs is partly based on the 1st Opening of the anime series, Guren no Yumiya. Although it has been released as a digital download, there are no plans of releasing it as a physical single as of yet. The movie based on Shingeki no Kyojin will premiere on theaters tomorrow (today in Japan) the same day the single has been released.