It is a house that is built in a remarkable urban area with a series of large store opening stores in the southern part of Kagoshima City. Considering the noise of the heavy traffic road highway, we set up a courtyard to open inward. Because the site is nearly rectangular and not very wide, it is a space composition that makes the first and second floors move by the external staircase, centering on a three-dimensional courtyard integrated with the interior, and in order to emphasize its afferentness A rectangular plane was adopted. By strictly reflecting the line connecting the apexes of the octagon on the plane, the triangular staircase, the colonnade, the top light, the sharp corner of the glass, the crepas of the light garden, etc. fill the light from various angles, and various angles Coupled with the walls of the city, we enrich the expression of the space.