Treform is a contemporary residential complex completed in 2012, located in Minami-Otsuka, Toshima Ward, Tokyo. This innovative housing project was developed through a collaborative effort by three distinguished architectural firms: Chiba Gaku Architectural Planning Office, Shinichi Ogawa Urban Architecture Design Office, and Ryue Nishizawa Architects. The building exemplifies modern residential design, combining functional living spaces with thoughtful architectural planning. As a multi-unit housing development, Treform represents an important contribution to Tokyo's urban residential landscape, showcasing how contemporary architecture can address the complex needs of city dwelling while maintaining design excellence and quality.