I should have tried using a translator. I'm honestly just glad that the product hadn't become vapor wear for the amount of time it was in production. I can stand to wait a few more months.
EDIT:
If I'm reading this correctly, it appears that the game's official release date is April 26th for the digital download for ???2310円. The June 5th date is for the physical package which will be 2625円.
The other, smaller font dates are probably additional preview information, but I can't make out what they are.
More EDIT:
Looks like there is a new version of the demo which can be grabbed on the blog
here. Basically it's a scene preview of the knight losing to the King Slime. This demo mostly shows off the character's voice acting and the transformation choice system. You can already get some ridiculous BE in there.