i'm up to the same part, it won't let me unequip, am i missing something?
Well, unfortunately enough, I think you encounter bug right there. Before going to the castle, you have to make sure if you turn into a maid, you will have the headband equiped in your equipment slot, or else this bug will happened.
yea, i figured that after joining the discord server, luckily i had a save right before going into the castle
