Nihonbashi Torikyu is a yakitori restaurant in Nihonbashikayabacho that also serves katsuura tantanmen. The tantanmen uses a soy-based broth with rayu, onion, green onion, and minced meat, finished with thin curly noodles. Service starts at 11:30 AM, and diners choose between regular and large portions, with free egg and rice available to make ojiya at the end. Prices run high relative to the portion size.