Nan'ko House, designed by renowned architect Sakamoto Issei and completed in 1978 in Chigasaki, Kanagawa Prefecture, stands as a notable example of residential architecture from Japan's postwar modernist period. This single-family dwelling showcases Sakamoto's distinctive design philosophy, emphasizing spatial clarity and harmony between interior and exterior environments. The house demonstrates sophisticated use of materials and geometric forms characteristic of his work, making it an important study for architecture enthusiasts interested in late twentieth-century Japanese residential design and the evolution of modernist principles in domestic architecture.