Jingumae 1-8-5, B1F. [on Meiji-dori near Takeshita-dori] Open 11:30am-3, 5-9:30pm (LO). Closed Sundays.
One of the few places in Tokyo serving spicy Szechuan-style cuisine, Ryu no Ko does a better job with their weekday lunches than they do in the evening. The mabo-dofu and tantanmen are both recommended.