When it comes to feng shui, Xie Wang Fu occupies a significant piece of real estate. It looks out directly at the imposing stone facade of the venerable Bank of Japan building in Nihonbashi. A bastion of wealth, prestige and enduring solidity, there¡¯s no other location in Tokyo to rival it.

As the first overseas offshoot of Shanghai¡¯s best-known specialist crab restaurant ¡ª Cheng Long Hang, with five branches to its name, plus a Michelin star ¡ª nothing was left to chance. To make it extra auspicious, the doors officially opened on Dec. 12 at precisely 12:12 p.m.

In Shanghai cuisine, freshwater Chinese mitten crabs are the supreme delicacy of autumn-winter, valued not so much for their pale flesh as for the rich tomalley and roe prised from under the carapace. But since the season is limited ¡ª October through January ¡ª they are normally served in restaurants as part of a wider menu.