Architecture, Building and Structure Design Toyonaka3 Residential House by Shunichiro Ninomiya It is a house for two couples and small children built in Osaka, Japan. We have a courtyard to ensure daylighting and ventilation. The outer shape wall characterizing the appearance is the shape derived to secure the parking space. It is a shape where the parking space and the locus at the time of parking are scraped off from one block. For this reason, the shape of the outer wall gives the appearance a sharp impression.