Hey thanks, i got it working and what the hell, i thought the scenes were pre-rendered or something but no, they are full 3D, you can freecam, and it's so much better than their default static shitty distant angle.
FYI this game is x64, Mono v5.
Or easier:
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BepInEx goes into game root, all others goes into BepInEx /plugins/ and /patchers/ folders (see instructions above).
If you did it correctly you have seperal popups ingame, one of which says "FreeCam".
Now you can go into gallery like usual, start up what you want, then click Begin Freecam. Now you can hold right mouse and navigate the 3D.
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