Kirumi Tojo's Palace | The Ultimate Maid's Failures

By now everyone may be used to find themselves in bizarre locations, between going into palaces and visiting Nekyia. It might not come as a surprise that it has happened again.
What might come as a surprise, though...is how empty this place is.
All around you there's nothing more than a large, gray, featureless expanse. In the distance there seem to be bars, curving upwards to gather so, so high above you, possibly hundreds of miles above, so high it’s hard to distinguish.
It’s a cage. So unfathomably large. You could escape, were you to get to the edges of the cage, but...it would take forever. No matter how you look at it, you're trapped. The atmosphere is so...hopeless. Devoid of anything even remotely positive.
Not that you want to hang around for long, do you? After all, this is someone's palace. Not a place to stick around at. What to do, though?
It’s all so...empty. Silent. Featureless. A flat expanse of hard gray tiles.
Gather together, everyone. Gather and choose a direction. North, East, West, South. All directions look completely identical, but could it affect your time in this place, somehow? Probably not. But all treks start with the first step. Perhaps, if you get moving, you'll progress?

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We checked out the piano room first - we found a copy of Ai hanging around looking at the CDs. I guess that guy must've figured out how to open up the door, because the next thing I know, the Ai copy's attacking him and Kaine. When I went to help, Ai turned into a regular Shadow before we defeated her. She turned into some scraps of a T-shirt.
After that, I went to check out more of the area and found a bathroom with a mirror in it. I saw a silhouette of Kirumi, I think... It definitely sounded like her when I spoke to it.
I asked her where she was, and she didn't know. And when I told her about the body announcement, she talked about how when a body is discovered, there's an investigation and a debate over who did it.
...According to her, she shouldn't have wanted to be a part of all of it, and said that whoever we are, we shouldn't join them, either. That it wasn't worth it.