While specific details aren't in the search snippets, the title and code suggest the following:
(RJ403033) is a dark fantasy adult RPG developed by the circle U-ROOM . Set in a kingdom governed by a cruel and tyrannical empress, the game follows the story of an uprising and the potential "Bad Ends" that befall characters who fail their objectives. Core Gameplay & Narrative eng atrocious empress bad end rj403033 updated
If you want, I can:
Ensure you backup your previous save files before overwriting, though the update is designed to be compatible with most mid-game saves. While specific details aren't in the search snippets,