ROU is a residential masterpiece completed in 1976 in Suginami Ward, Tokyo, designed by the acclaimed Takeyama Jitsu Architectural Laboratory. This exemplary work showcases the architectural philosophy of its era, featuring innovative spatial design and thoughtful integration with its urban environment. The residence demonstrates sophisticated construction techniques and aesthetic principles that characterize postwar Japanese residential architecture. ROU remains a significant reference point for architects studying modern domestic design and represents an important contribution to Tokyo's architectural heritage during the mid-1970s period of experimentation and renewal.