Catalogue number - Hostess [HSE30229]
The Japanese 2-disc set comprises of Region 2 NTSC DVD featuring the 'Burning' live film, plus CD featuring the 'Special Moves' live album. Tracklists: Special Moves | Burning
hmv.co.jp also suggests that Hostess will issue 'Blu-spec' CD+DVD packages for Mr Beast and The Hawk Is Howling on the same date.
Update - Stuart's comments below:
I'm afraid that there is no chance of the release being on that date. It should be going into production this week for a May release.