How do I progress since I went into every room and talked to every character but can't go to the gym? (I gave Katana the water but the ghost won't let me in)
Now that you've given Katana something to drink, you should be able to get a gym outfit out of the lockers near the entrance. Try inspecting them to give you the option. If that doesn't work it may be a bug!
Oh, that's not good! So Katana has left the foyer but you still can't get an outfit out of the lockers? If that's what's happening then it's definitely a bug.
