The Miyamasu Slope Building, completed in 2020 in Shibuya, Tokyo, represents a contemporary approach to mixed-use urban development. Designed by Nikken Housing System in collaboration with architects Atsushi Shibuya and Hiroyuki Suzuki, this structure seamlessly integrates residential, commercial, and office spaces within a single architectural composition. Located at 2-19-15 Shibuya, the building demonstrates thoughtful design principles that respond to its prominent Shibuya location while accommodating diverse functional requirements. The project exemplifies modern Japanese architecture's capacity to maximize limited urban land through intelligent spatial planning and program integration.