Well, Hannah needs to have unlocked the Maid class and have at least one level in it. That's the only requirement for that.
Do you mean that the XP research upgrades don't do anything? That shouldn't be - they should add a small boost to your overall XP gain. That means XP to the job/class (not to stat gains).
I just looked again, and I can't find anything that said any characters classes, so I can't even see if Hannah has the maid class available for unlock or not.
Where is that found? I looked in the journal and the club as far as I could and I don't see where that's located.
And as for XP gains, I haven't noticed a difference in anything related to XP before and after getting the first 2 XP upgrades. Maybe I'm just not properly understanding how they work?
It's not completely obvious where to click... I'll add a better menu for it in a future version of the character sheet as well, but for now it's changed by clicking the small orange/yellow button below the hostess' icon in the Club Management screen.
And the difference in XP is not very obvious since it's always a bit random each night, but the gains are there, I promise. It's a small bonus only.
