We created a concept based around a new style called Musashino modernism, combining the Danish idea of “hygge” with the abundance of natural beauty found in Musashino in order to create spaces for seniors who know how they want to live and to find joy in living each day. “Hygge” is an idea that means closeness with others and spending time contentedly. We studied the techniques used by Danes to live cheerfully and comfortably at home, making full use of wood for the lounge, and a five-meter high ceiling with a rounded recession to create a relaxed feeling filled with gentle light. The entrance features an artistic rammed-earth wall that expresses the strata lying beneath Musashino. Different spaces are filled with a variety of furniture, allowing residents of the space to live freely according to their whims.