NI Residence and NO Residence, completed in 1979 in Ora District, Gunma Prefecture, represents a significant work by Yuzuru Saito Architectural Laboratory. This residential project demonstrates the architect's distinctive approach to domestic design during the late 1970s. The paired residences showcase thoughtful spatial planning and architectural principles characteristic of Saito's practice. Located in the rural Gunma region, these homes exemplify how contemporary architectural design can integrate with their surrounding landscape. The project reflects the era's evolving perspectives on residential living and remains an important reference for architecture enthusiasts studying late twentieth-century Japanese domestic architecture.