Eileen and Leila get into the bath in their white summer dresses. Slowly they start to get eachother wet with the hose revealing what is ( or isn't) underneath the dresses.

http://www.wamderland.net/downloads/w364-eileen-and-leila-in-white-dresses/
also avaible in video membership www.patreon.com/wamderlandwetlook

Your friend is very brave not wearing any underwear!