FuRyu announced that the next Caligula series livestream will occur at 10pm JST on February 23, 2018.
The previous livestream had the announcement for The Caligula Effect: Overdose and an anime for The Caligula Effect, and this livestream is set to follow up on both of these. There will be new gameplay footage, and the voice actors for the new Musicians will be revealed. Finally, the main themes will be announced during the livestream.
The Caligula Effect: Overdose releases in Japan on May 17, 2018 for PlayStation 4. The limited edition PS4 models will also release on the same day in Japan.