Thanks to TendouToys on twitter it has been revealed that Soul of Chogokin: GX-XX Dragon Caeser is currently in the works. The design schematic was originally shown in the recent issue of the Dengeki Hobby magazine. No other details are confirmed at this time so stay tuned for updates.
Soul of Chogokin: GX-XX Dragon Caesar Announced! They are in the process of developing it! Is this going to be GX-76?! Can't wait! pic.twitter.com/xv5ESI0qIz
— Tendou (@TendouToys) September 20, 2017
Source: Tendou Toys