A modder by the name of Meekurukuru was able to make a mod to "decensor" the dialog that was altered by IFI in their last patch. This mod works for both the GOG and Steam versions of the game.

Links:
Reddit page for the mod: here

Nexusmods: here

Gamebanana: here

PC Gaming Wiki page: [url=https://www.pcgamingwiki.com/wiki/Neptunia:_Sisters_VS_Sisters#Decensor_Patch]here[/url]

EDIT: A̶t̶ ̶t̶h̶e̶ ̶m̶o̶m̶e̶n̶t̶,̶ ̶t̶h̶e̶ ̶p̶a̶t̶c̶h̶ ̶m̶a̶y̶ ̶c̶a̶u̶s̶e̶ ̶t̶h̶e̶ ̶g̶a̶m̶e̶ ̶t̶o̶ ̶c̶r̶a̶s̶h̶.̶
EDIT 2: This bug has been fixed in the V2 update of the patch.