Naniwa Okina is a soba restaurant in Osaka that serves zaru soba and herring soba. The herring soba has a light broth without fishiness and carries the savoriness of the herring, while the zaru soba is served cold. The 100% buckwheat juwari soba is limited to twenty bowls per day, and after the meal the soba water is served for drinking. The portion of soba is not large.