"Kyoto Soy Foam", there are several theories about its origin.
One is the idea of Esupuma from Spanish dish, another one is the idea of Mousse from French cuisine. Yes, its origin is not stated officialy.
As one of the various theories, it is said that was born by the thoughtfulness of cook who did not want to damage the fashionable kimono or clothes of customers who came to dinner.
Our Kyoto Soy Foam of Maiko-san was born and commercialized in order to share Japanese hospitality with many people in the world.