This charming, traditionally appointed izakaya near Ichigaya station offers an enormous selection of craft sake, shochu, and Okinawan awamori. The sake list includes a dozen or so specials of the day (always a good sign), plus deep selections from a number of well-regarded breweries - for example there are twelve different labels from the excellent Fukui-ken brand Kokuryu.
The eclectic food menu covers a lot of ground too, with standard dishes (grilled meats on skewers, Okinawan pork stew) served alongside original creations such as their ambitious tofu lasagna and deep-fried basil-cheese rolls. The food quality is decent, but it doesn't overshadow the sake. Budget around Y3000-5000 for dinner with drinks.
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.