We offer couples on the street a reward and conduct a survey on their attitudes towards sex! We have the boyfriend wear headphones and an eye mask, and we ask the girlfriend detailed questions about sex with him! She blushes as she answers, hoping for a reward! She's not very satisfied with sex with her boyfriend, so a man with a big dick appears in front of her! "Wow... it's so much bigger than my boyfriend's..." she says in surprise, but her eyes are glued to his big dick! She gets aroused by touching and giving him a blowjob, and when she's left alone with the man with the big dick...?