Muromachi Sunaba Nihonbashi Honten is a soba restaurant in Nihonbashi, Tokyo. It serves zaru soba, tenzaru, and tenmori, with a style that adds freshly fried kakiage to warm broth alongside cold soba. Opened in 1869, the shop seats about 100 across two floors and private rooms. For a typical single serving, the soba portion is on the small side.