In Tokyo, there's a members-only secret brothel called "Wet See-Through Club" that offers unique services in private rooms. One of the most popular attractions is a special performance where a lingerie-clad woman, blindfolded, is sprayed with water from a jet. Each burst makes her underwear cling and become transparent, gradually revealing her pussy. Guests can then enjoy the thrilling experience of watching her masturbate right there, producing wet, squishy sounds.