The building is a mid rise, 12 story office building located near the harbor in Tokyo, Japan. The white lattice like exterior frame is an outer shell made of precast concrete serving as structural frame as well as sun shading device. Combined with the steel construction of the core this hybrid structure creates a column free office space. In addition, the exterior windows have natural ventilation window units that can be opened and closed manually. The fusion of design, structure, and equipment enhances high buildability and sustainability and has improved the added value of the building.

Obayashi Corporation is a construction company headquartered in Tokyo, Japan. Established in 1892 in Osaka, the company operates in Japan and other countries, especially Southeast Asia and Australia, as well as the United States and Europe. Major landmarks it has constructed in Japan include the Kyoto Station Building, the Tokyo Broadcasting System (TBS) Center in Tokyo, as well as the Tokyo Skytree.

Obayashi-Shinseiwa Real Estate Corporation which was established in 2014 is the real estate development company of Obayashi Corporation Group.They are primarily involved in real estate leasing and sales, urban redevelopment, and facility management.They are engaged in real estate development mainly in Tokyo, and oak Konan Shinagawa is one of them.