Crotchless One Piece Swimsuit

This character wears a crotchless and/or open cup one piece swimsuit.

A "crotchless/open cup one piece swimsuit" is a sexy version of a one piece swimsuit which on the countrary does not intend to cover tits or crotch area at all. It is mainly used for sexual purposes or nudism.
If character is not wearing swimwear but underwear use open cup bra and/or crotchless panties.

NSFW Example
NSFW RL Example