Masonry Cubic is a distinctive residential and office structure completed in 1988, designed by the renowned architectural firm Kitamura Associates. Located in Atsuki, Kanagawa Prefecture, this building exemplifies the innovative design philosophy of its era. The structure masterfully combines residential and commercial spaces within a cubic composition, utilizing masonry construction techniques that give the building its characteristic strength and aesthetic appeal. The geometric simplicity of its form contrasts beautifully with the tactile qualities of its material expression, making it a notable example of late 1980s Japanese architecture. The building demonstrates how functional requirements can be integrated into a bold architectural statement while maintaining practical efficiency.