When I approached two pairs of seemingly close female strangers on the street and said, 'If you wear a micro bikini, put on a penis ring, and make an M guy cum repeatedly, I'll give you a prize,' two pairs of friends accepted the challenge! The girls who initially shyly swayed their hips became super S and super slutty women as they saw the M guy's pleasurable reactions. Everything from their language to their hip movements was incredibly erotic. What was supposed to be just putting on a penis ring and tormenting a man's anus...
