Thank you for the detailed comment! I'm happy you found the game enjoyable overall.
There were a few things I wish I could have polished more/done better, and you brought up several of them. In particular, guiding the player to routinely talk to the hotel guests (and making sure they're talking to the ones they need to in order to progress) is something I wasn't sure how to execute well. Having to make the rest of the game on top of that idea didn't allow me much time to think about it in depth, so hopefully in the future I'll be able to improve that mechanic.
Also, the water fountains... they'll probably be fixed at some point. Some of the issues pertaining to them are more RPG Maker's fault than mine and will likely require weird workarounds to get functioning right, but I'll look into it because you brought it up.
Thanks again for playing, and I appreciate the feedback!