Constructed by building tycoon Minoru Mori, the complex incorporates offices, residences, shops, gardens,[1] temples and a museum.

It was planned with the development philosophy of preserving the culture, topography and greenery of the Mt Atago area while making use of this important inner city landscape resource.

[3] It houses the offices of foreign banks such as ABN Amro, Commerzbank, Rabobank and EuroHypo, and domestic companies such as Sumitomo Mitsui Asset Management and SoftBank Mobile (formerly Vodafone Japan).

Residents have access to a spa with gym and swimming pool located on the top floor.

There is a clinic operated by the nearby Jikei University School of Medicine Hospital on the premises and residents also have access to an open-air viewing platform on the roof.