Costume Pack - Mahou Shoujo Madoka☆Magica

https://civitai.com/models/103391/costume-pack-mahou-shoujo-madokamagica

See the author's link for details.

To use, just use one the tags - madoka outfit, homura outfit, mami outfit, sayaka outfit, kyouko outfit.

And since it's hard for model to ignore that magical girl outfit usually have magical girl inside, if you use it on it's own you might just get a perfectly regular mahou shoujo.