Limited-edition seasonal sake is the drawing card at this rather minimalist drinking spot. They bill themselves as a Hakata-style udon-based izakaya, and there's a good selection of tempura, other deep-fried dishes and izakaya standards in addition to the noodles.
Grilled Hakata-style pork was a highlight during a recent visit, as were the morokyu (cucumbers with a very spicy miso-paste dip) and broccoli in anchovy sauce - actually a very garlicky version of a broccoli ajillo. Budget around Y3000 for food and drink. Seating can be a bit tight when it gets crowded. (No English menu.)
This book will introduce you to more than twenty of Japan's favorite specialty foods that are less well known abroad, along with a guide to the best places in Tokyo to try them and expert tips on what to order. From Bento.com.