It asks you to put in the revival spell.
what you should type in is infuture
It might not work if you hit enter so make sure to click the button below labeled けってい
A flash will play. I did a loose translation of what it said over on fuckyeahkannivalism on tumblr. On tumblr we'll be updating as we here more news.
There's a countdown on the page as well for 16 days, so we are assuming that an announcement will be made then!