Fuji & gumi released today the DMM version Phantom of the Kill in Japan. Just like the original iOS / Android game, this one is also available for free but you need a DMM.com account for it. If you login until May 14, 2017 you will get 20 extra stones.

It should be noted that you can link the iOS / Android version game’s data with the new DMM version BUT after that you can’t use the original data on your smartphone so think about it twice.