KAR-131 - Secret Voyeurism: Hidden Cam Collection Vol. 3

Probably around the 120-minute mark on Disc 2. There's a threesome scene where the slightly slender woman in the middle suddenly turns her butt toward the camera and starts washing her private parts. She's shaking her hips at the camera and scrubbing with both hands; if it weren't for the mosaic, you'd practically be able to see everything despite the soap suds. The next scene is also a threesome, but one girl is a tan-skinned gyaru who feels out of place. She gets a 'soap lesson' from the other two. The camera captures her body glistening with soap suds perfectly. I just wish the actresses were a bit higher level...