New information about Brave Neptunia has appeared online.
-The game will be releasing in September for PS4 in Japan.
-The 4 CPU's have lost their memories.
-Histy has been turned into an actual book.
-There are several new characters including Chrom, a woman Neptune will meet.
-Gamindustri is the setting of the game, though it's clearly going to be different to the version we are familiar with.
-Dungeons will be 2D mazes
-The plot seems to be be more lighthearted than usual.
You can read more and see a new screenshot of the game here: http://www.siliconera.com/2018/04/24/brave-neptunia-releases-september-27-japan-ps4-gets-character-story-details/