The DATE A LIVE: Ren Dystopia Deluxe Edition contents that was initially inaccessible is now fixed. We appreciate everyone's support and patience with this matter.
To access the Deluxe Edition contents, head to the game folder, right-click the game in your Steam library, select "Browse Local Files", and open the "Assets" folder.
Thank you again for the wait and we hope you enjoy DATE A LIVE: Ren Dystopia.
Best,
Team IFI