Kimitachi ga Ite Boku ga Iru (1992)

Kimitachi ga Ite Boku ga Iru 1992 / 君たちがいて僕がいる 1992 / 君たちがいて僕がいる(1) 万能調理器から鍋つかみ、実演販売人が愛と友情を賭けて売りまくる

Fujiwara Senjuurou is a master Product demonstrator who sells everything from all-purpose cookware to potholders by talking up the convenience and value of his products. Tomita, a proprietor of a store in the Maebashi shopping district, asks Fujiwara Senjuurou for help in stealing back the customers from the department stores. (Source: DramaWiki)