A wine bar in the evening, a soba restaurant in the daytime. They have over 70 reasonably priced wines by the bottle, with a dozen or so by the glass. The food is mostly simple grilled dishes. All seating is at the counter, so it's best for small groups. Cash only.
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.