Mentsu-dan is a restaurant specializing in udon and is loved by a lot of people, especially udon fans. They serve different types of udon, including hot udon, cold udon, soy sauce, uncooked egg, nattou, etc. After you order the udon that you want, you can see an entire section of tempura, similar to a buffet. Freely choose the tempura you’d like to have with your udon. Prices for each type of tempura are shown at the sides. You can also get oden, kimuchi, onigiri, pudding, etc.