Yeah, unfortunately I started playing the game this version, so I dont have saves from the versions before this one.Yes, book 2 slave route is currently bugged. If you have an older version of the game you can load up your save in that version and go talk to Rei about tactics/make a strategic decision to progress past the bug and then continue the route. I'm planning on making a bug report to MITY tonight about it and some other bugs I've looked into the last few months that still aren't fixed.