Shimbashi: Udon
Nanakura (Shimbashi: Udon)
Open 11:20am-2:10, 5-9pm (LO). Closed weekends.

Originally just a small counter shop serving udon noodles, Nanakura has since grown into a full-sized, very lively after-work izakaya with a focus on fresh seafood. The excellent, rather unique udon is still a big draw though, and worth a special trip on its own. The noodles here are cut much thinner than average, and are served with a rich, fatty, and amazingly tasty duck-based dipping sauce.

A bowl of noodles will set you back Y1080-1480 depending on the size, but if you have the time it's worth checking out the rest of the menu. Charcoal-seared katsuo tataki (Y950) is a stand-out, as is the sake-marinated grilled otoro tuna (Y1260). There's a small but serviceable sake selection, and of course beer and shochu cocktails. Budget around Y3500-4500 in the evening, or less if you just want a bowl of udon.

Minato-ku, Shimbashi 2-20-15, Shimbashi Ekimae Bldg #1 2F.
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Venue listing from Bento.com5 Star Rating: highly recommended