The White House of Seijo is a residential masterpiece completed in 1977, located in the prestigious Seijo district of Setagaya Ward, Tokyo. Designed by Toki Arata and his Comprehensive Architecture Planning Office, this iconic residence exemplifies the modernist principles that defined Japanese residential architecture during the late 1970s. The building's distinctive white exterior and refined geometric forms have made it a significant landmark in contemporary Japanese architecture. Its thoughtful spatial composition and innovative design approach continue to inspire architects and design enthusiasts, representing an important chapter in Japan's architectural evolution during this transformative period.