Doubtful.

Actually while Karina may have some JCMs added to Sasha .. She is rather her own cr2 with a lot of ERC, scaling, new/improved Weight mapping and new control bones added to V4 (Simplified breakdown of course, in no way meaning to diminish the ton of work gone into her by Karina) as opposed to injectable morphs.

It would probably be a lot easier to save your V4 character as an injection and load that onto sasha, than the other way round. :)

P.S. Please note when I say ERC I'm meaning also poser dial dependancies etc.

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Consider me insane if you wish, but is your reality any better?