[quote=@harinezumikouken]
One piece?
[/quote]

If she actually went swimming her suit would look something like this:
[img]http://www.citybeach.com.au/wcsstore7.00.00.61/ExtendedSitesCatalogAssetStore/images/products/20189579-02-FT-XL.jpg[/img]

beat Bear in mind though that she is aquaphobic so getting her to the beach at all would require serious cause.