Sexy lingerie is becoming popular among couples in a slump in their marriage and middle-aged married couples. Kimijima, a door-to-door salesman, was one of the key figures in spreading Sexy lingerie across the country. To start with, he puts the product on his own body and does a special demonstration to stimulate buying desire. For customers who don't get it, he simulates a couple's sexual activities on the spot. They can experience how the effects of lingerie have saved many couples in a slump in their marriage and how much it has enriched their nighttime life. Today, Kimijima will be marching around the country again...