Hi, I wonder if it's possible to make V4 versions of GuhzCoituz's Black Cat Costumes, and yes these are made by GuhzCoituz, who also sells items on this website as well.
Here is the Black Cat suit sold on his website, in several different variations.
the-black-cat-suit-for-g3f
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Sexy Black Cat 2099
sexy-black-cat-2099-for-genesis-3-female
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There is also a "Black Cat 90's" variant of the costume