The project was designed by architectural firm Skidmore, Owings & Merrill;[1] Nikken Sekkei is the local architect of record.

[7] Other tenants include the international law firms Milbank, Tweed, Hadley & McCloy and Herbert Smith LLP.

The 5-floor retail Galleria, with 73,000 square meters (786,000 sq ft) of stores, restaurants and shops includes the first Terence Conran restaurants in Japan, a wine bar (Coppola's Vinoteca) showcasing the wines of Francis Ford Coppola, and an outlet of high-end American food retailer Dean & DeLuca.

"[8] The building, designed by Ando, is on the edge of the park area, and features 1,700 square meters (18,300 sq ft) of floor space, including two galleries and an attached cafe run by chef and restaurateur Takamasa Uetake.

The split-level concrete structure includes a hand-sanded steel roof (whose design was inspired by Issey Miyake's A-POC ("A Piece of Cloth") concept) and 14-meter (46 ft) long glass panels.