Moto
Shinjuku: Sake bar
Moto (Shinjuku: Sake bar)
Moto
Open 3-11:30pm daily.
Sun: Open Sundays

Nihonshu Stand Moto is a very informal bar that specializes in nihonshu, in this case quite a good selection of it at reasonable prices. The food menu is more extensive than you'd expect, dominated by small sake-friendly dishes like smoked mackerel and fried oysters. Open from noon on weekends. (Note that there's a small Y300 table charge.)

Shinjuku
Shinjuku-ku, Shinjuku 5-17-11, Hakuho Bldg B1F.
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Tokyo Beyond Sushi
Explore the hidden side of Tokyo dining
Charcoal-grilled pork on skewers, udon noodles in curry-flavored soup, octopus dumplings, deep-fried beef cutlet -- there's a whole world of exciting food in Tokyo that food-loving visitors often miss out on.

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.
 
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Venue listing from Bento.com5 Star Rating: highly recommended