The game is now available for pre order as of today and will be later available to play come may 24th.

https://www.mangagamer.com/detail.php?goods_type=1&product_code=1059

Info and pictures at the linked page. We'l also look into an additional free content update post release and have it already part planned out with hopes of doing a new demo to show it off also. We will look into putting the game on steam and other stores later but will take some time.