The sibling story from the prologue can still be played offline (in an emulator). Its not a lot of content but still a few hours of play and is almost lost content, being that it has been removed from any current versions of the game.
There isn't any English translation for it though.
@Ligeia thanks for posting this.
The patch should work fine with version 2.0.1 and we arent aware of any game breaking bugs in the current patch version.
Please let us know if any bugs or typos are found. We're happy to straighten those out for the next patch. Screenshots of the text causing...