Ramen Yokozuna Namba Nannan is in the Nannan underground shopping arcade in Namba, Osaka, and serves shoyu tonkotsu ramen. Green onions can be added to the ramen without limit, and a special seasoning called ninton made with garlic and chili is served alongside. Orders are placed on a tablet, where noodle firmness and whether to include green onions can be chosen, and the ramen usually arrives in about seven minutes. The seating area is small, which suits one or two people.