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@Terry-Kaffarov Glad you posted this, I didn't see that get added.
As for the files, it's probably best to contact the author. If they haven't released it unlocked, they probably don't want people to modify it in any way. Always best to make sure when you're dealing with someone else's mod.
@Terry-Kaffarov Relax, the original models are here http://bstylez.deviantart.com/art/DOA5U-Momiji-in-Mai-Shiranui-Re-Born-FIXED-3-482005935
Are in .mesh or .ascii files, easy to find in the web how to open in 3ds Max, Cinema 4D or Blender to be edited and converted.