[DISCUSSION] Possible Godzilla complete Blu-Ray set

I just got Godzilla 1984 on Blu-Ray today. When I looked at the paper inside I saw this:



Can anyone translate? I tried and it sounded like the box might just be a prize for collecting the films. Can anyone confirm it?



Here's the site:



http://ift.tt/1eZcQax (scroll to the bottom)



Thank you to anyone who can help.