oh ya i totally agree with what you're saying, I just wanted to know more about Yokubo's plans since the game seems really interesting so i got really excited wanting to know more about the direction it would be going in haha!
Also, for me I had to exit and reenter the mansion ~20 times i think before a character showed up next to the shower. You can then talk to them and they'll take a shower, but right now its just text, there's no event scene for it yet.