Kumiko is performed by each guest answering as to whether the incense is same or different, in accordance with rules decided after collecting information on a wide range of fields from literal to general culture, and provides a strong feeling of playing a game.
文学的要素から一般的教養等、多種多様の分野に取材してルールが決められており、そのルールにのっとって香りの異同を当てるもので、非常にゲーム性に富む。