I'm thinking of a simple bra- and - panty set, but a little embellished, like these:

https://www.renderosity.com/marketplace/products/136461/lacy-lingerie-for-la-femme

https://www.renderosity.com/marketplace/products/141353/top-drawer-for-la-femme

You could use the panty under very short skirts or under semi transparent dresses or suchlike, and the bra could also be used as top in some settings/costumes... belly dance or carnival, for example. Like I used the bra from the first set in this image:

https://www.renderosity.com/gallery/items/2930442/samba-moon