Sounds like you've got a lot of good stuff in the works.
For the bathhouse bug, it's when you have enough charisma to offer her a massage. I've tried twice now and it happened both times, so maybe it is something specific to my hardware/software configuration that doesn't happen on yours? Not sure what to tell you, sorry.
Speaking of the bathhouse. I was curious to see how the censoring worked so I had it turned on. When I got to the point that the bathhouse was ready it just said "Turn off censor to begin act", but when I turned it off I had no way to go back and start the scene (or I couldn't figure it out, if there is a way). For every other scene just cutting it out is fine, but there is dialogue with some important plot that takes place in the bathhouse, so I would recommend coming up with a way to make sure players with censorship on still get that information.
For auto-saving, yeah, something like after each quest, or just on a timer every 15 minutes or something. It only needs to be one save that overwrites itself each time. I learned my lesson and have started hitting quick save often while periodically deleting the old ones to free up space, but something to limit how much progress is lost if you forget to save would be nice. I know some games make it an option that you can disable, in case a player wants to have the more challenging experience without the auto-save safety net.
I was curious about the things hidden behind stats so I tried making a character with 1 point each in str, end, and agi and 8 points each in per, int, and chr. I gotta say, having the feedback to show your actions matter makes the game feel a lot better. You may want to lower the stat requirements for some stuff like the "NPC liked that" messages. I think I found a decent balance with 4 str, 3 end, 3 agi, 5 per, 5 int, and 6 chr, but that still isn't enough to see a lot of the things. At what point in the game do you start being able to increase your stats so you see more?