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?

Danganronpa V3 Spoilers
When Aaron picks up the paper, he'll find it's a music score. When he picks up, he gets a fleeting vision.
Danganronpa V3 spoilers
A luminous place, full of cogs. A gigantic piano. Fourteen teenagers around her, all of them watching something that's currently at the keys of the piano.
It's a girl. A blonde girl, being suspended with a rope by the neck, while Monokuma, as an orchestra director, directs other more colorful stuffed bears to move the girl around, making her press keys.
It doesn't take much thought to know what that kind of damange that can do to anyone's neck.
A sensation of horror, utter revulsion, and strong grief fills Aaron -- feelings Kirumi probably felt at that time. She watched the execution, until the girl wasn't moving...and the keyboard of the piano snaps shut, squishing the girl.
On the back of the score, there's something written with Kirumi's neat handwriting.
'I will keep your piano in perfect condition until the day we escape this school.'
The vision proves one thing very clearly: even though Kirumi kept a strong, stoic face in front of adversity, she's just as vulnerable as any other person. She was...just a teenager in a place full of horror. Incredible maid or not, she was just a teenager, with the reactions of one]
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…In any case, he will hold on to that sheet of paper. Is there anything else notable in the area? Otherwise he is still curious about the blood pool so he will poke around there anyway but I don’t know how relevant it will be!!]
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Depending on how perceptive Aaron might be, he'll notice this place he's at is...a crime scene. The scene of a murder. That girl in the memory certainly didn't die here in a library, so knowing that, coupled with the explanation Sayaka gave...
...yeah, there's only one conclusion there. Is it relevant? Well, it's not vital, but it fills some blanks]
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In any case, is there anything off about the other bookshelves or the books specifically?]
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