Satsuma Future Commons (SFC) is a hub for a new urban design research and practice. We explore, research, and implement new methods of Circular City Design in Satsumasendai City, Kagoshima. In the hub we, Re:public, Inc. research the futures of food, fashion, living spaces, and infrastructures with Kyushu University School of Design. We also run the Civic “Circular” Innovation Lab to empower citizens to make their everyday life more circular and innovative. We cover circularity from a wide scope: from citizens’ everyday life to entrepreneurship and advanced research.