みずほ銀行
is a 143 m (469 ft) tall office skyscraper in Tokyo, Japan. At 38 stories the building is the 86th tallest building in Tokyo. It contains 1.4 million sq ft (134,974 m²) of office space, 100% of which is now occupied by Mizuho Bank, the consumer banking arm of the second-largest Japanese financial conglomerate Mizuho Financial Group, while still called the DKB Head Office from time to time.