Some updates.
There are only three new ones...
Better than nothing, right?
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>There is a strange white object to the left of the entrance to the mansion.
Looks like a horn.
(It has a collision volume)
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>There is an additional window above the entrance door of the mansion.
It's just that in general we can't see it.
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>In one of the rooms in the Dilapidated Halls, some tables will appear in an impossible location.
("resources\sprites\_progen\spr_progen_branchb5_dark.png")
(In a way, it fits the atmosphere very well.)
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>And then...
that's all.